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A Resource Guide for Philosophy Students

Created by Jennifer Leslie Torgerson, MA

This page last modified:  September 18, 2012

© copyright, 1997 - present


School of Athens



c. 428 (427) – 348 (347) BCE




F. M. Cornford.  Plato and Parmenides.  (Indianapolis, IN:  Bobbs-Merrill Company, no date).


__________, Before and After Socrates.  (Cambridge, UK:  Cambridge University Press, 1999 [1932]).


__________, From Religion to Philosophy:  A Study in the Origins of Western Speculation.  (Mineola, NY:  Dover Books, 2004 [1912]).



Frederick Copleston, S.J., A History of Philosophy:  Book One.  (New York, NY:  Doubleday, 1985 [1944]). 



Walter Kaufmann, Philosophical Classics Volume I:  Thales to Ockham, 2nd Edition.  (Englewood Cliffs, NJ:  Prentice Hall, 1968 [1961]).


A. A. Long, Editor; The Cambridge Companion to Early Greek Philosophy.  (Cambridge, UK:  Cambridge University Press, 1999).


Plato.  Great Dialogues of Plato; W. H. D. Rouse, Translator.  (New York, NY:  Mentor Books, 1956).



__________.  The Republic and Other Works; B. Jowett, Translator.  (Garden City, NY:  Anchor Books, 1973). 



__________.  The Trial and Death of Socrates; G. M. A. Grube, Translator.  (Indianapolis, IN:  Hackett Publishing, 1975).



__________.  Plato:  The Collected Works, including the Letters; Edith Hamilton and Huntington Cairns, Editors.  (Princeton, NJ:  Princeton University Press, 1994 [1961]).



The works of Plato


Apology (Defense of Socrates)








Lesser Hippias









Symposium (The Dinner Party)








--- the following may not be authentic


Greater Hippias



Some details of Plato's life:

Plato was a child when his father Ariston died. His mother married his uncle who was a good friend of Pericles. Plato's mother had a brother, Charmides (car-my-dees), and a cousin Critias, who were prominent in politics in the days of the oligarchy that ruled Athens at the end of the Peloponnesian War. Plato may have known Socrates all of his life, but did not actually come under his spell until, he was close to twenty, and thereafter devoted his life to philosophy. The Athenian hatred of Socrates had certainly been fed by the fact that he was friends with members of the oligarchy. But this is no reason to assume that they (Meletus, Anytus, and Lycon) made those charges against him (Socrates) due to their hatred of the oligarchs. Plato is very disillusioned with democracy for putting Socrates to death, but he doesn't like oligarchs much either.


Plato's objective idealism and the Theory of Ideal Forms

To avoid the difficulties inherent within subjective idealistic positions (such as that of "to be is to be perceived" of Berkeley, which will be discussed later in the semester), Plato developed an objective idealistic theory of reality. Objective idealism is the view that the world out there is Mind communicating with our human minds. An example of this type of metaphysical theory of objective idealism is that of Plato's theories of Being and Becoming and the Ideal Forms. Plato held that the material, phenomenal world (the world of appearances) is in a state of flux attempting to emulate (unsuccessfully) the Ideal Forms (the noumenal world of reality). The Forms exist independently of the consciousness. The noumenal world is the true permanent world of reality.

The Two Worlds of Being and Becoming:

  • Forms in the world of Being are absolute, noumenal, unchanging, transcendental, eternal, intelligible, archetypal, perfect, and objective.  Examples are:  (1)  Form of Justice, (2)  Form of Table, (3)  Form of Man.
  • Things in the world of Becoming are relative, phenomenal, changing, space-time world, sensible, copied, imperfect, and subjective.  Examples are: (1)  legislation, trials, (2) this table, that table, (3)  Linus, Sally, and Lucy


critique of objective idealism:

Because the problem of the cause of common perceptions was evident to Plato, he claimed that these common perceptions are derived from the Ideal Forms. But how do we get knowledge from the eternal Ideal Forms? How is this interaction possible? This was a problem that Plato was well aware of, as the dialogue Parmenides discusses this very issue. Consider the relationship between man and men. There is an essence, a third man, which demonstrates what is similar between a particular man and men in general. But what of the relation between man, men, and this third man; isn't there a need to describe what essence the man, men, and the third man have in common, the fourth man? This can go on, as it is an infinite regression. But we will get back to this discussion when we begin Aristotle, as this is Aristotle's criticism, (or the Achilles' heel) of Plato's theory of the Ideal Forms.

Note how Plato's theory of Being and Becoming is a refutation of the relativistic position of Protagoras. If all things are in a constant change, then true knowledge of reality is not possible. Plato's view of the changing world of Becoming (appearances) is similar to the Heraclitean flux, but it is the noumenal world of Being which resembles the One of Parmenides. Remember the law of non-contradiction:  (1) what is and cannot not be and (2) what is not and cannot be?


This description can be said of the world of Being, that it is eternal and will never cease to be. This is Plato's description (as in the Timaeus 27d- 28a):

  • Being is that which always is and has no becoming, and is that which is apprehended by intelligence and reason and is always in the same state.
  • Becoming is that which never is and is that which is conceived by opinion with the help of sensation and without reason and is always in a process of becoming and perishing and never really is.

But in the Republic (479d- 480a), Plato presents a slightly different description of the world of Being and Becoming:  

  • The Form of the Good [the most important Form;  it maintains and sustains the others, and it also is the vehicle via which knowledge of the Forms reaches the realm of Becoming (see the Analogy of the Sun)]
  • Being (reality)
  • Becoming
  • nonbeing [nothing; non-existence]


This view is also called the view of the One over the Many, and is Plato's solution to the problem of the one and the many of the Pre-Socratics.

critique: presented by Aristotle,

(Meta. 990 b [15]):

...[A]nd according to the "one over many" argument there will be Forms even of negations, and according to the argument that there is an object for thought even when the thing has perished, there will be Forms of perishable things [...].

There would too need to be Forms of all things horrible. What of change?  Is there a Form of change?  How about vomit?  It doesn't sound so perfect anymore.



What is a form?

form: comes from the Greek word eidos which literally means form, or the shape and structure, or the essence of a thing; it is what makes a thing a part of that particular class of things.  The Forms are in fact the eidos that are ideos (ideas).  The idea of form is attributed to Pythagoras.

Plato thought that this Idea of the essence of a thing existed in another plane, or world which was absolute and unchanging: the world of the Ideal Forms. The Forms exist independently of the consciousness, and would continue for all time, even if there was no one alive to apprehend the Forms.  Some call this other realm "Plato's heaven".


Theory of the Ideal Forms: (a definition) it is the belief in a transcendent world of eternal and absolute beings, corresponding to every kind of thing that there is, and causing in particular things their essential nature.

The theory of the Ideal Forms is based upon Plato's belief that there existed two separate worlds:

(a) BEING: The transcendent (noumenal) world of the Absolute, perfect, unchanging Ideal Forms of which The Good is the primary and the source of all the others such as Justice, Temperance, Courage; and

(b) BECOMING: the phenomenal world (the world of appearances) composed of things in a state of flux attempting to (but unsuccessfully) emulate (imitate, participate in, partake of) the Ideal Forms. The phenomenal world is the world of our sensuous, ordinary, everyday experiences which are changing and illusory.


The world of the Eternal Forms is real, true, permanent world of reason. Abstractions, such as redness, equality, and humanness that one can conceive and recognize in a variety of things prove that the Forms exist.

From Euthyphro (6c-e):

Euthyphro, who is prosecuting his father for impiety (for murdering his slave), is questioned by Socrates about the essence of piety. Socrates says to Euthyphro: "I wanted you to tell me, what is the essential form of piety which makes all pious actions pious?"

And with such a Form, all actions can be judged to as whether they resemble the essence contained in the Form, or if they do not. This is the objective nature of Plato's theory of the Ideal Forms. All instances of those actions which are pious in the world of Becoming can be compared to the one and only Form of piety in the world of Being. The problem of how the Form imparts this essence upon particular things is an issue which Plato never resolved, although he was well aware of the difficulty (as discussed prior in the criticism of objective idealism).


Two different explanations of the Forms:

(1) In the Euthyphro: (6c-e)

Sensible things are copies of the forms, or they "participate in" the Forms.

(2) In the Phaedo: (100c-e)

Forms are only a "relation to" or "present in" sensible objects.

"Forms are causes of both Being and Becoming." -Aristotle, Metaphysics 991 b [2-3].

It is just this type of ambiguity that Aristotle will seize upon as the "Achilles' heel" of Plato's theory of the Ideal Forms.


Blending of the Forms:

Things are able to participate in more than one Form. Consider all things rectangular: tables, doors, chalkboards, etc. Each thing has its own essence: "tableness", "doorness", "chalkboardness"; but they all share in a common essence: "rectangleness". Same with all living things; each has their own essence: "catness", "humanness", "treeness"; but they also share the essence of "living thingness".


Accidental features of the Forms:

Things may possess accidental properties, such as color. Color may be an accidental property of a thing if and only if changing a particular thing's color does not change the thing's essential nature to be a member of that class of things (such as red and green apples- in either case they are still members of the class of apples).



Degrees of Knowledge: the divided line

(Republic, 509d-511e)






higher Forms;  Forms of ideas;

Forms without embodiment

i.e., beauty, justice, temperance, goodness, etc.


(knowing why)

Pure reason



mathematical Forms and Forms of things (tables, chairs, etc.)

Forms of things with embodiment in the realm of Becoming


(knowing how)



sensible objects


(true belief)

OPINION (or belief)


(obscured) images


(false belief)


from: Copleston, History of Philosophy vol. 1.

The allegory of the cave

(Republic, Book VII, ¤ 19)

or 514a- 516c



caveallegory interpretation



(1) The shadows on wall of cave are equivalent to BELIEF (images, etc.)

(2) The roadway and fire are equivalent to the ordinary visible objects



(1) shadows and are equivalent to the mathematical WORLD and reflections OF objects KNOWLEDGE

(2) The trees, mountains, etc., are equivalent to the Forms etc.

(3) The sun is equivalent to the essential Form of the Good





The essential Form of the Good

The essential Form of the Good is like the sun, in that the Good is the source of ultimate knowledge, much like the sun is the ultimate source of life. For the Good to be the source of knowledge it cannot be a Being, but it must transcend the world of Being. Therefore the Form of the Good is beyond knowledge. (Remember Kant's phenomenalism?)


Two main points to the analogy of the sun to the Form of the Good:

(1) The sun illuminates the physical world in the same way that the Form of the Good sheds light upon the other Forms, or intelligible world.

(2) The sun actually is the cause of existence and sustaining existence in the physical world. Without the sun all would perish. Similarly, without the Form of the Good, there would be no other Forms. There would be no other Forms because the Form of the Good is their cause or source. The Good maintains the being and truth of all other Forms, and hence the sensible world.



The Sun is the source of Light, and so makes objects visible, and allows the eye to see.


Goodness is the source of Truth, and so makes The Forms intelligible, and allows the mind to know.


Knowledge, hence is a kind of sight or vision

Plato's rationalism and his theory of recollection


One of the most important questions in philosophy is "What is the basis or source of knowledge?" Epistemology (which comes from the Greek words: episteme = knowledge, and logos = the study of).

The two classical epistemological theories are rationalism (from the Latin word ratio = reason) and empiricism (from the Greek word empeiria = experience).


epistemology: the branch of philosophy concerned with the nature, source, limitations, and validity of knowledge.

empiricism: the view that all human knowledge is acquired from sense experience (via the 5 senses: touch, taste, smell, hearing, and sight) or a posteriori which is Latin for "that which follows after." All knowledge is acquired after sensible experience, or post-experientially.

rationalism: the view that all human knowledge is acquired through reason as the primary source, prior (or a priori which is Latin for "that which precedes") and superior to sense experience.


Theory of Recollection

Plato suggests that we are already born in possession of knowledge of which we are not conscious of but will readily recollect (recollectus in Latin) if carefully prompted. Plato has Socrates illustrate this in a dialogue called the Meno. Socrates extracts the answer to a geometrical problem out of a slave boy who knows no geometry.

Socrates asks Meno: "What do you think, Meno? Has he answered without any opinions that were not his own?" Meno replies: "No, they were all his." [...] Socrates concludes: "So a man who does not know has in himself true opinions on a subject without having knowledge." (85 c).


critiques of rationalism:

(1) Because the self-evident truths of rationalism are not tangible, and are by nature in the mind, rationalists tend to disagree on so-called "self-evident truths".

(2) Rationalism fails to account for the increase in human knowledge. Refute critiques as Plato would.


theory of innate ideas: The theory that the "fundamental ideas or principles are built right into the mind itself and require only to be developed and brought to maturity." Because Plato held that the source of our knowledge is innate idea, Plato was a rationalist.

But how is it possible for one to have innate ideas in one's mind when born? In order to hold that knowledge is innate idea, Plato developed a belief of the immortality of the soul. A great deal of Plato's ideas come from Pythagoras, especially the " dualistic juxtaposition of body and soul, and the conception of the body (soma in Greek) as the tomb (sema in Greek) of the soul; the belief in the immortality of the soul; the doctrine of the transmigration of souls; the idea that knowledge and a philosophic life are required for the salvation of the soul; the notion that one might design a society that would be an instrument of salvation for its members; the admission of women into this society; the suggestion that all members should hold their property in common; and finally the division of man into three basic types- tradesmen being the lowest; those whom the competitive spirit and ambition are highly developed, a little higher; and those who prefer contemplation, the most excellent." (from Walter Kaufmann, Philosophical Classics (pp. 10-11).

Plato and his view of the State


The state is the individual at large (BK 2 Republic)

Plato held that there must be one moral code for the individual and the State, because the State is composed of individual men and exists for the leading of the good life. Because justice is determined by the Ideal Form of Justice, both the individual and the State must live under the influence of the eternal code of justice. In his work the Republic, Plato is not concerned with describing actual states, but in describing what the nature of the Ideal State is, so that actual states can conform themselves as best they can.


In the seventh Letter (written to Dionysius II)

Plato describes how he first had a bad experience with the Oligarchy of 404 BCE, and then with the restored Democracy.

Plato's Ideal State consists of three classes of men (excluding slaves):

(1)    Artisans at the bottom,

(2)    Auxiliaries, or military class over them, and

(3)    Guardians, or Guardian at the top.

The classes as outlined represent justice:

(1)    The wisdom resides in the small class of Guardians;

(2)    Courage of the state is in the class of Auxiliaries; and

(3)    Temperance is represented by the due subordination of the governed to the governing.

Political injustice consists of meddling, which leads to one class interfering with the affairs of another.

While the higher two classes share property in commune, the artisan class retains their property and the family unit. But due to the training and breeding of the Auxiliaries and the Guardians, their family units are destroyed. This is done to ensure that the Guardian class and the Auxiliary class owe their duty to the State, and not their family.  In effect the state has become their family, providing food, shelter, education, and protection.

In the eighth book of the Republic Plato develops a sort of philosophy of history. The perfect State is the aristocratic State (literally, "rule of the best"). Those individuals best able to rule the aristocratic State are those who can apprehend the eternal Forms (Goodness, Truth, Justice, etc.); philosophers are able to apprehend the eternal Forms. Therefore philosophers are best suited to rule, or be 'philosopher-kings." This is a type of elitism, or rule by a select few.  Plato thought that women could too be rulers; but not quite the equal.

"And if so, my friend, I said, there is no special faculty of administration in a state which a woman has because she is a woman, or which a man has by virtue of his sex, but the gifts of nature are alike diffused in both; all the pursuits of men are the pursuits of women also, but in all of them woman is inferior to man." (Republic 455e).

But if the higher two classes of an aristocracy combine to divide the property of the lowest class and reduce them practically to slavery, then aristocracy turns into timocracy (a state in which the honor attached to the position of ruler is sought by the ambitious with intrigue, rather than trust).

Love of wealth grows until timocracy turns into plutocracy or oligarchy (rule by a few rich individuals). Political power is dependent upon property qualifications.

A poverty stricken class is created by the greed oligarchs, and in the end the poor dispel the rich and establish democracy (rule by the people). Democracy is the worst form of government according to Plato because "the government of the many is in every respect weak and unable to do either any great good or any great evil when compared to the others, because in such a State the offices are parceled out among many people." Republic (303 a [2-8] ).

But the love of liberty and majority rule leads to, by way of reaction, to tyranny or dictatorship (absolute rule of one individual). At first the champion of the people executes a coup d’état (surprise attack of the state), and turns into a tyrant.

The Ideal State must be a true Polity. Democracy, oligarchy, and tyranny are all undesirable because the laws passed by such states are passed for the good of a particular class. States which have such laws are parties, and not polities, and their notion of justice is simply unmeaning. But in a true Polity, the laws passed are for the good of the whole State.


The similarity of the state to the soul ~ the state as the individual at large

class of state

faculty of the soul




represent reason

and wisdom.



represent the spirited element

and courage.



represent the appetitive element

and temperance.


Summaries to the remaining Platonic dialogue excerpts



This dialogue explains the nature of the soul (65a-67b).

There are three faculties of the soul according to Plato:


(1)  Reason- cognition; knows the good from the bad (rational element)

(2)  Spirited element- will (with consciousness)

(3)  Appetites- (appetitive) animal desires, lust (those desires we do not control)


"We have found, they will say, a path of speculation which seems to bring us and the argument to the conclusion that while we are in the body, and while the soul is mingled with this mass of evil, our desire will not be satisfied, and our desire is of the truth.  For the body is a source of endless trouble to use by reason of the mere requirement of food; and also is liable to diseases which overtake and impede us in the search of after the truth; and by filling us so full of loves, and lusts, and fears, and fancies, and idols, and every sort of folly, prevents our ever having, as people say, so much as a thought.  [...]   Moreover, if there is time and an inclination toward a philosophy, yet the body introduces a turmoil and confusion and fear into the course of speculation, and hinders us from seeing the truth:  and all experience shows that if we would have pure knowledge of anything we must quit the body, and the soul herself must behold all things in themselves:  then I suppose that we shall attain that which we desire, and of which we say that we are lovers, and that is wisdom, not while we live, but after death, as the argument shows;  for if while in company with the body the soul cannot have pure knowledge, one of two things seems to follow-- either knowledge is not to be attained at all, or if at all, after death.  For then, and not till then, the soul will be in herself alone and without the body.  In this present life, I reckon that we make the nearest approach to knowledge when we have the least possible concern or interest in the body, and are not saturated with the bodily nature, but retain pure until the hour when God himself is pleased to release us." (66b-67b Phaedo).

"Then, Simmias, as the true philosophers are ever studying death, to them, of all men, death is the least terrible."(67e Phaedo).


Some other points expressed in the Phaedo:

1.  Morality cannot be based on emotion. (69b-c)

2.  Opposites generate opposites. (70e)

3.  The process of generation and change is between opposites; and takes place in two stages for example there is going to sleep as well as waking up--- there is a coming to life and a coming to death. (71c-71e).

4.  Why is there a need of an ordered process (a generation of change)?  Change would turn what is to what is not and all would cease to be including change itself. (72b).

5.  The fact that souls are immortal provides a time in which there was perfect knowledge to be recollected.  Nothing in this world is perfect.  Perfect equality does not exist in this world of change, yet we still have a concept of equality. (72e-77b).

6.  The soul is not a composite (78c).

7.  Differences between body and soul (80b):





no parts


no change


does not disintegrate

disintegrates rapidly



8.  The myth of Er (82b-88c):

We may have the happiest of states, which practices philosophy and reason, "no one but a fool is entitled to face death with confidence, unless he can prove that the soul is absolutely immortal and indestructible.  Otherwise everyone must always feel apprehension at the approach of death; for fear that in this particular separation from the body his soul may be finally and utterly destroyed."

9.  The things in this world partake in the forms:

"The consider the next step, and see whether you share my opinion.  It seems to me that whatever else is beautiful apart from the absolute beauty is beautiful because it partakes in absolute beauty, and for no other reason." (100e)


This dialogue is a demonstration of how the theory of recollection works.  The theory of recollection was discussed earlier on this web page.

"And, I, Meno, like what I am saying.  Some things I have said of which I am not altogether confident.  But that we shall be better and braver and less helpless if we think that we ought to enquire, than we should have been if we indulged in the idle fancy that there is no knowing and no use in seeking to know what we do not know; -- that is a theme upon which I am ready to fight, in word and deed, to the utmost of my power."

Meno diagrams


"Real existence, colorless, formless, and intangible, visible only to the intelligence which sits at the helm of the soul, and with which the family of true science is concerned, has its abode in this region.  The mind then of deity, as it is fed by inheritance, is delighted at seeing the essence to which it has been so long a stranger, and by the light of truth is fostered and made to thrive, until, by the revolution of heaven, it is brought round again to the same point.  And during the circuit it sees distinctly absolute justice, and absolute temperance, and absolute science;  not so much as they appear in creation, nor under the variety of the forms to which we nowadays give the name of realities, but the justice, the temperance, the science, which exist in that which is real and essential being." (247d-248).

"For the soul which has never seen the truth at all can never enter into the human form." (250a).


Some of the main elements of The Republic have been already discussed on this web page.

Here are few more main ideas or notes, organized by book:


The rings of Gyges story (359c-361)

BOOK 3:  

the metals

"It was quite natural that I should be, I said, but all the same hear the rest of the story. While all of you in the city are brothers, we say in our tale, yet God in fashioning those of you who are fitted to hold rule mingled gold in their generation, for which reason they are the most precious-- but in the helpers silver, and iron and brass in the farmers and other craftsmen.  And as you are all akin, though for the most part you will breed after your kinds, it may sometimes happen that a golden father would beget a silver son and that a golden offspring would come from a silver sire and that the rest would in like manner be born of one another.  So that the first and chief injunction that the god lays upon rulers is that of nothing else are they to be such careful guardians and so intently observant as of the intermixture of these metals in the souls of their offspring, and if sons are born to them with an infusion of brass or iron they shall by no means give way to pity in their treatment of them, but shall assign to each the status due to his nature and thrust them out among the artisans or the farmers.  And again, if from these there are born sons with unexpected gold or silver in their composition they shall honor such and bid them to go up higher, some to the office of guardian, some to the assistantship, alleging that there is an oracle that the state shall then be overthrown when the man of iron or brass is its guardian.  Do you see any way of getting them to believe this tale?" (415 a-c).

metals for each class





Auxiliaries (assistants)







"Then, as I was saying, our youth should be trained from the first in a stricter system, for if amusements become lawless, and the youths themselves become lawless, they can never grow up into well-conducted and virtuous citizens." (425 a)



1.  The only difference between men and women is that the males are stronger and the women weaker. (451e-452e).

2.  The natures of men and women differ; hence they should have different pursuits. (453e).

3.  Women can be guardians, if they are wise, or properly suited to rule. (453).

4.  Men and women doctors have the same nature. (454d).

5.  Women not married, but held in common; children will not know their parents. (457d).

6.  Selective breeding is used to produce the "perfect flock." (459-460).

7.  Breeding done in the prime of life (20 for women and 30 for men). (460e).

8.  "And the city whose state is most like that of an individual man. [...]  The same, he said, and, to return to your question, the best-governed state most nearly resembles such an organism." (462d-e). This is an organic view of state.

9.  Guardians do not own property. (466).

10.  Children are taken to observe war, early in life. (467).

11.  There is a distinction between knowledge and opinion. (477e).

12.  "And likewise of the great and small things, the light and the heavy things-- will they admit these predicate any more than their opposites?  No, he said, each of them will always hold of, partake of, both.  Then is each of these multiples rather than is not that which affirms it to be? They are like the jesters who palter with us in a double sense at banquets, he replied, and resemble the children's riddle about the eunuch and his hitting of the bat-- with what and as it sat on what they signify that he struck it.  For these things too equivocate, and it is impossible to conceive firmly any one of them to be or not to be or both or neither." (479c-d). Hence we are caught between being and non-being (in becoming).



the divided line



the allegory of the cave

the analogy of the sun



1.  This is a very difficult dialogue, full of information. It contains a debate between Parmenides, Zeno, and Socrates regarding the problem of the one and the many.  

It is most noted for the critique that Plato is showing of his own position.

The critique is called the problem of the third man.

thing> form of thing> form that thing and the form share> form that the 3rd form, the form, and the thing share> ... ad infinitum. (133a-b).

2.  The Forms do not exist in this world. (133c).

Because the Forms are not in this world, it is not clear what essential nature is shared by all men, as it truly is in and of itself.

3.  God does not have knowledge of particulars, but only of the Forms, and hence is not omniscient. (134e).

4.  Plato reduced to absurdity the notion of picture theory. (165c-166a).



This is another difficult dialogue containing many concepts, including an excellent discussion of the life of pleasure, the life of pain, and the life of pleasure and pain, as well as a discussion of techne (craft).

Plato's solution to the problem of the one and the many is the view of the one over the many. (18e).

Know thyself. (48d).



The creator of the universe is all good. (29e-30b).

This dialogue explains the origin or generation of the cosmos.

Everything in the universe has been created by some cause. (28b).