Philosophy as dialogue, examination and disputed ways of life in Plato
The thirty-five Philosophy-tagged passages in this collection come from thirteen separate dialogues, but they do not supply thirty-five definitions of philosophy. Their shared concern is how a claim becomes worth believing or acting on: who has grounds to know, what follows from an answer, and whether a speaker will change course when challenged. In Apology, Socrates examines his own apparent ignorance and the reputations of those who claim wisdom; his remark about an unexamined life arises in a capital trial. Crito carries questioning into a prison decision, asking whether the many are reliable judges and whether escape can be squared with an accepted principle against wrongdoing. The Republic connects this practice of argument to disputed accounts of justice and a person's way of life. These are dramatic arguments with consequences, not a single private creed dictated by Plato to modern readers.
Several dialogues make the method of inquiry visible by refusing easy answers. Theaetetus has Socrates tentatively describe thinking as the soul's conversation with itself, then test whether correct opinion in a courtroom amounts to knowledge. Meno considers why a true belief is useful yet differs from understanding supported by an account of the cause; it also offers a provisional link between virtue and wisdom before reopening whether virtue can be taught. In Laches, two speakers disagree: Laches calls courage endurance of the soul, while Nicias proposes knowledge of what merits fear or confidence. Neither definition survives unchallenged. In Lysis, Socrates tries out explanations of friendship, affinity and what might be dear for its own sake, but the inquiry ends without a definitive answer. Philosophy here means exposing the limits of an attractive proposal, not collecting uncontested maxims.
The questions also extend beyond knowledge to love, value and the good life. In Symposium, Aristophanes tells a myth of divided human beings longing for wholeness; Diotima's teaching about desire for wisdom is reported by Socrates; and the physician Eryximachus links well-ordered love with temperance and justice in his own speech. These speakers should not be merged into one authorial voice. Phaedrus places inspired love in a mythic account of the soul, while Gorgias stages Socrates' call for self-mastery against Callicles' defence of indulgence. Protagoras asks whether the virtues are parts of one whole or separate excellences. Such passages belong to philosophy because they test competing pictures of love, conduct and human goods, even when they overlap the site's narrower Love, Virtue or Ethics collections.
Other passages explore ancient metaphysical explanations that must remain distinct from verified scientific claims. In Phaedo, Socrates contrasts the visible body and unseen soul, invites Simmias and Cebes to resist his reasoning if it is wrong, and later speaks from within the contested case for the soul's immortality. Philebus introduces a proposed cosmic role for mind; The Republic Book IV considers rule by reason within its tripartite model of the soul. These are philosophical positions presented in particular scenes, not experimental accounts of brains or consciousness. Read the linked translation and each named speaker alongside an extract, especially when the question is deliberately tentative. This broad collection is an introduction to what the dialogues ask and how they ask it; the narrower Wisdom, Knowledge, Thinking and Education pages pursue more specific questions.
Sources
Where these philosophy quotations appear
Sources represented here include Phaedo, Symposium, The Republic.
Socrates locates a small advantage in recognizing the boundary of his own knowledge: uncertainty is intellectually healthier than possessing the same ignorance while mistaking it for wisdom.
Source details
Plato, Apology, Benjamin Jowett translation, Project Gutenberg #1656. Socrates says this after examining a politician whom others considered wise; the wording is dialogue speech attributed to Socrates within Plato’s work, not a claim that Socrates knew literally nothing.
Socrates challenges the idea that widespread approval should decide a moral question, directing attention toward informed judgment rather than numerical popularity.
Source details
Crito, Benjamin Jowett translation; Socrates responds to Crito’s concern about public opinion while awaiting execution.
Socrates asks Crito to value the moral quality of living over the mere continuation of life. This is part of his reasoning about whether escaping from prison would violate principles he already accepts, rather than an abstract invitation to sacrifice life without considering circumstances.
Source details
Plato, Crito, approximately 48b, Socrates speaking with Crito in prison; Benjamin Jowett public-domain English, Gutenberg #1657. The conditional question occurs in the dramatic text after a discussion of justice, public opinion and fear of execution. Socrates is the dramatic speaker; it is not a recorded autobiographical quotation by Plato.
“A simple thing enough; just what is commonly said, that a man should be temperate and master of himself, and ruler of his own pleasures and passions.”
Socrates describes moderation as governing one’s own appetite and impulses rather than merely exercising power over other people. Callicles immediately challenges this view and praises satisfying desires without restraint. The passage is an argument in a dispute about happiness and the good life, not modern evidence about psychology or a claim that feelings should be suppressed.
Source details
Plato, Gorgias, approximately Stephanus 491d–e, Socrates answering Callicles’s question about ruling oneself. Callicles promptly disputes the value of temperance. Full sentence in Benjamin Jowett’s English translation, Project Gutenberg #1672, within the Gorgias dialogue proper (not Jowett’s introductory essay). Socrates is the local dramatic speaker; the line is not Plato’s autobiographical speech. An ancient ethical argument, not experimental mental-health evidence.
Nicias suggests that courageous judgment depends on understanding when danger deserves fear and when there is reason for confidence. Laches disputes the link between courage and specialized knowledge, and Socrates presses Nicias on what knowledge of future good or evil entails. It remains a hypothesis under examination, not a definitive philosophical verdict.
Source details
Laches, around Stephanus 194e–195a, Benjamin Jowett English, Project Gutenberg #1584. Nicias speaks to Laches after Socrates invites an alternative to Laches’s endurance account; subsequent questioning probes the scope of knowledge about fear and hope and leaves the inquiry unresolved. The local dramatic speaker is Nicias, not Plato personally. The wording occurs in the dialogue body, not Jowett’s introduction.
Laches proposes endurance of the soul as a feature shared by different courageous acts, not only by soldiers who hold their ground. Socrates immediately tests this definition and asks whether stubborn endurance without wisdom can be harmful. The dialogue does not endorse endurance alone as a final, sufficient definition of courage.
Source details
Laches, roughly Stephanus 192b–c, Benjamin Jowett English, Project Gutenberg #1584. Laches answers Socrates’s attempt to define courage beyond battlefield conduct; Socrates then challenges whether foolish endurance can count as courageous. The local dramatic speaker is Laches, not Socrates or Plato himself. This is a contested proposal inside an unresolved inquiry, not Plato’s stand-alone creed.
Socrates examines whether some cherished thing can be valued for its own sake rather than only because it leads to another benefit. He advances a possible ultimate object of friendship, but the argument immediately faces further questions and the dialogue finishes without an agreed definition. Reading this as a tested hypothesis prevents the line from becoming a misleading slogan about ideal friendship.
Source details
Plato, Lysis, approximately 219c–d, Socrates speaking with Lysis and Menexenus; Benjamin Jowett English, Project Gutenberg #1579. The sentence follows a chain of examples of things desired for other things, and Socrates soon reopens the argument by asking whether friendship depends on evil. It is a provisional dialectical step, not a conclusive formula offered by Plato.
Socrates tentatively suggests that attachment may arise from an affinity between people, after reasoning about what desire lacks. He and his companions immediately test—and ultimately fail to settle—this proposal; the sentence is a provisional inference, not Plato’s final definition of love or friendship.
Source details
Lysis, around Stephanus 221e, Socrates addressing Lysis and Menexenus while exploring desire, affinity and friendship. Benjamin Jowett English, Project Gutenberg #1579. The dialogue goes on to challenge whether the congenial is simply the like and ends without reaching a settled definition; do not present the tentative argument as an unconditional fact.
“Yea, by the dog of Egypt, I should greatly prefer a real friend to all the gold of Darius, or even to Darius himself: I am such a lover of friends as that.”
Socrates tells Menexenus that finding a genuine friend matters more to him than immense wealth or royal power. The comic oath and comparison with Darius are deliberately extravagant, leading into his admission that he does not yet know how friendship is formed. This is a dramatic statement of what he prizes, not a claim that money can never help relationships.
Source details
Plato, Lysis, around 211e–212a (opening inquiry into friendship), Socrates addressing Menexenus; Benjamin Jowett English, Project Gutenberg #1579, dramatic text after Menexenus rejoins the discussion. Gold of Darius is a historical royal-wealth comparison and Socrates goes on to question what it means to be a friend. Do not attribute this speech to Plato as personal autobiography.
Socrates arrives at a conditional suggestion that a good character may depend wholly or partly on wisdom. His question follows a discussion of how judgment guides courage and other qualities toward good outcomes. It is not a final definition: he soon reopens the question by doubting whether virtue can be taught and whether suitable teachers exist.
Source details
Plato, Meno, approximately Stephanus 89a; Socrates is questioning Meno after connecting the usefulness of virtues with wise guidance. The conclusion is provisional and is challenged shortly afterwards when they examine the absence of recognized teachers of virtue. Exact complete sentence in Benjamin Jowett English, Project Gutenberg #1643, dialogue proper (not translator introduction); the historical Plato is not the speaking character.
Socrates compares an accurate opinion with understanding that can remain stable because it is connected to an explanation. In his illustration, true beliefs are useful but may slip away until they are secured by an account of their causes; the chain is a metaphor, not a claim about literal memory storage.
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Meno, around Stephanus 97e–98a, Socrates addressing Meno after the Daedalus-statue comparison. The quoted standalone sentence immediately follows Socrates’s argument that right opinions can guide action but need to be tied down by an account of their cause. Benjamin Jowett English translation, Project Gutenberg #1643. The text and translational phrasing are Jowett’s; the dialogue does not treat every true opinion as worthless.
Socrates advances the dialogue by separating what can be perceived directly from what must be examined through argument, preparing the discussion of body and soul.
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Phaedo, Benjamin Jowett translation; Socrates asks the question during the dialogue’s argument about visible bodies and the unseen soul.
Within the dialogue’s metaphysical argument, Socrates associates soul with the unseen and body with the visible; the record preserves that historical philosophical context rather than treating it as established fact.
Source details
Phaedo, Benjamin Jowett translation; Socrates is reasoning with Cebes about visibility, mortality and the proposed nature of soul and body.
“But now, inasmuch as the soul is manifestly immortal, there is no release or salvation from evil except the attainment of the highest virtue and wisdom.”
Near the end of the Phaedo, Socrates connects the way a person lives with the care and formation of the soul. His claim depends on an argument for immortality advanced inside the dialogue; it is a philosophical and religious position, not a scientific finding about an afterlife.
Source details
Plato, Phaedo, approximately 107c, Socrates addressing his companions after the arguments concerning the soul; Benjamin Jowett English, Gutenberg #1658. This sentence is in the dialogue proper, not the translator introduction. Preserve the surrounding conditional argument about the soul and historical belief in immortality.
“And I would ask you to be thinking of the truth and not of Socrates: agree with me, if I seem to you to be speaking the truth; or if not, withstand me might and main, that I may not deceive you as well as myself in my enthusiasm, and like the bee, leave my sting in you before I die.”
Facing death, Socrates asks his friends to challenge the argument he is defending if they find it mistaken. His emphasis is on testing whether a claim is true rather than accepting it because of the speaker’s reputation, even when that speaker is himself. The appeal belongs to a debate, not a universal guarantee that his view of the soul is correct.
Source details
Phaedo, approximately Stephanus 91b–c, Socrates speaking to Simmias and Cebes after their objections to the arguments about the soul’s survival. He specifically asks them to contradict him if they think his reasoning is wrong. This is a complete sentence from Benjamin Jowett’s English translation, Project Gutenberg #1658, in the dialogue after the translator’s separate introduction. Socrates is a character and local speaker; do not attribute the sentence as a direct personal remark by Plato.
“And thought is best when the mind is gathered into herself and none of these things trouble her—neither sounds nor sights nor pain nor any pleasure,—when she takes leave of the body, and has as little as possible to do with it, when she has no bodily sense or desire, but is aspiring after true being?”
Socrates argues that philosophical reflection is clearest when bodily sensations do not distract the soul from its inquiry. This belongs to his metaphysical case about knowledge, body and soul on the day of his death; it should not be confused with a modern scientific finding about the brain or with a general prohibition on sensory experience.
Source details
Plato, Phaedo, approximately 65c–d; Socrates speaking with Simmias about the philosopher’s pursuit of true being and the limits of bodily perception. Benjamin Jowett English, Project Gutenberg #1658, dramatic text (not the editorial introduction).
“And we, on our part, will prove in answer to him that the madness of love is the greatest of heaven's blessings, and the proof shall be one which the wise will receive, and the witling disbelieve.”
Socrates reverses his earlier criticism of lovers by proposing that some kinds of inspired passion can be gifts rather than failings. His defense belongs to a mythical and philosophical speech, not to a claim that impulsive behavior is automatically beneficial or justified.
Source details
Phaedrus, around Stephanus 245b–c, in Socrates’s second speech (palinode) to Phaedrus following his retraction of the anti-lover argument. Benjamin Jowett English, Project Gutenberg #1636; the complete sentence occurs in the dramatic speech after examples of prophetic, religious and poetic inspiration. The divine origin of love is a claim of this ancient philosophical argument, not independently established evidence.
“And I have shown this of all inspirations to be the noblest and highest and the offspring of the highest to him who has or shares in it, and that he who loves the beautiful is called a lover because he partakes of it.”
In Socrates’s myth of the soul, attraction to visible beauty can awaken memory of a higher beauty. The language of inspiration describes the philosophical ascent imagined by the dialogue; it does not reduce love to appearance or imply that a person literally remembers another lifetime.
Source details
Phaedrus, around Stephanus 249d–e, Socrates’s palinode and description of inspired recollection of true beauty. Benjamin Jowett English, Project Gutenberg #1636. This is Socrates speaking in Plato’s dialogue; the claim comes after his charioteer-and-soul allegory and should not be extracted as a universal account of romance.
“Do not then suppose that these words are rashly spoken by us, O Protarchus, for they are in harmony with the testimony of those who said of old time that mind rules the universe.”
Socrates invokes earlier thinkers in a discussion of whether intelligence helps order the cosmos. The claim concerns an ancient metaphysical account of mind as a cause, not the modern sense of an individual person’s mental health or an experimentally settled account of the universe.
Source details
Plato, Philebus, approximately 30c–d; Socrates addressing Protarchus amid the argument that reason or mind belongs with the ordering cause rather than with limitless pleasure. Benjamin Jowett English, Project Gutenberg #1744, dialogue text.
“Now I want you to tell me truly whether virtue is one whole, of which justice and temperance and holiness are parts; or whether all these are only the names of one and the same thing: that is the doubt which still lingers in my mind.”
Socrates challenges Protagoras to clarify whether moral excellences such as justice, temperance and holiness make up different parts of a single virtue or name the same property. The question tests the structure of virtue rather than giving the reader an easy definition. Protagoras proposes an analogy with distinct parts of a face, and their discussion goes on to scrutinize the claim.
Source details
Plato, Protagoras, approximately Stephanus 329c–d; Socrates asks Protagoras about the unity of virtue after the sophist describes civic instruction and the acquisition of good character. Protagoras, not Socrates, answers that its qualities are distinct parts. Exact sentence from Benjamin Jowett English, Project Gutenberg #1591, in the dialogue proper after the opening philosophical and mythic arguments, not in translator commentary.
Voice: Reported speaker · Diotima, recounted by Socrates
Meaning & context
The ascent described by Diotima shifts attention from outward appearance toward qualities of mind, making intellectual and moral beauty more important within this stage of the dialogue’s argument.
Source details
Symposium, Diotima’s ascent toward beauty as recounted by Socrates, Benjamin Jowett translation, Project Gutenberg #1600. This is one stage in an ancient philosophical account of beauty and love, not a modern psychological ranking of attractiveness.
Aristophanes presents love as a longing to recover wholeness, but the claim belongs to his deliberately mythic account of divided human beings rather than to a literal theory of human origins.
Source details
Symposium, Aristophanes’s speech, Benjamin Jowett translation, Project Gutenberg #1600. The sentence concludes the comic myth of humans split into halves; it is a speaker position inside Plato’s dialogue, not direct autobiography or anthropology by Plato.
Voice: Reported speaker · Diotima, recounted by Socrates
Meaning & context
Diotima links love with philosophy by treating wisdom as something beautiful that the lover does not fully possess but continues to seek, placing philosophical desire between ignorance and completed wisdom.
Source details
Symposium, Socrates recounting Diotima’s teaching, Benjamin Jowett translation, Project Gutenberg #1600. The represented wording belongs to Diotima’s account of Love as intermediate between the wise and the ignorant.
“For herein is the evil of ignorance, that he who is neither good nor wise is nevertheless satisfied with himself: he has no desire for that of which he feels no want.”
Voice: Reported speaker · Diotima, recounted by Socrates
Meaning & context
Ignorance becomes difficult to correct when a person feels no lack in understanding, because satisfaction with one’s present judgment removes the motivation to seek what is missing.
Source details
Symposium, Socrates recounting Diotima’s teaching, Benjamin Jowett translation, Project Gutenberg #1600. Diotima is a reported speaker within the dialogue; the passage is philosophical argument about ignorance and desire for wisdom.
“And the love, more especially, which is concerned with the good, and which is perfected in company with temperance and justice, whether among gods or men, has the greatest power, and is the source of all our happiness and harmony, and makes us friends with the gods who are above us, and with one another.”
Eryximachus presents an expansive account in which well-ordered love creates harmony between people and even between humanity and the gods. His physician’s speech moves between medicine, music, the seasons and ritual, so friendship is part of an ancient analogy about the balance of opposing forces. It is his contribution to a gathering of competing speeches about love, not a single universally endorsed Platonic doctrine.
Source details
Plato, Symposium, Eryximachus speaking at approximately 188d–e near the end of his encomium of Eros; Benjamin Jowett English, Project Gutenberg #1600. The following exchange passes the speech to Aristophanes; speaker is physician Eryximachus, NOT Socrates. References to divine friendship and cosmology express ancient philosophical and religious views, not contemporary scientific findings.
Socrates treats justice as a quality by which a soul performs its work well, rather than simply an advantage in public reputation or trade. This concluding question ties the earlier inquiry about justice to the dialogue’s claim about how people live.
Source details
The Republic, Book I, close of Socrates’s argument with Thrasymachus about the function and excellence of the soul. Benjamin Jowett English translation, Project Gutenberg #1497. It belongs to a provisional exchange that ends with Socrates acknowledging that the inquiry has not fully determined what justice is; it is not a scientific claim about the soul.
“Is the attempt to determine the way of man’s life so small a matter in your eyes—to determine how life may be passed by each one of us to the greatest advantage?”
In Book I Socrates refuses to treat the dispute about justice as mere verbal sparring, because the argument bears on the kind of life people should choose. He addresses Thrasymachus while challenging whether injustice really benefits a person; his question does not settle that dispute on its own.
Source details
Plato, The Republic, Book I, around 344e, Socrates in dialogue with Thrasymachus. Wording verified in Benjamin Jowett, third edition (1888), transcribed in Gutenberg #55201. This is dialogue speech following Thrasymachus’s defence of injustice, not the translator’s prefatory analysis. Edition-specific wording must be preserved.
“And ought not the rational principle, which is wise, and has the care of the whole soul, to rule, and the passionate or spirited principle to be the subject and ally?”
Socrates argues that self-government involves a rational faculty attending to the whole person while spirited impulses support its judgment. The passage is a question within his analogy between a well-ordered city and the three parts of the soul. It does not mean that all emotion should be suppressed or that Plato established a modern psychological theory.
Source details
Plato, The Republic, Book IV, approximately 441e–442a; Socrates addressing Glaucon while contrasting the rational, spirited and appetitive parts of the soul. Exact sentence from Benjamin Jowett English, Project Gutenberg #1497, Book IV main dialogue (not introductory editorial matter). The premise belongs to an ancient account of the soul and remains open to philosophical interpretation; not clinical or neuroscientific evidence.
“I speak of what I scarcely understand; but the soul when thinking appears to me to be just talking—asking questions of herself and answering them, affirming and denying.”
Socrates describes thought as a conversation conducted silently within oneself. He is trying out an account of judgment while discussing false opinion with Theaetetus, and even qualifies the description with an admission of uncertainty. It is a dialogue hypothesis about thinking, not a confirmed psychological theory.
Source details
Plato, Theaetetus, approximately 189e–190a; Socrates responding to Theaetetus on what it means for the mind to conceive something. Benjamin Jowett English, Project Gutenberg #1726, main dialogue after the discussion of false belief. The same passage later distinguishes inner speech from externally spoken words.
“And yet, O my friend, if true opinion in law courts and knowledge are the same, the perfect judge could not have judged rightly without knowledge; and therefore I must infer that they are not the same.”
Socrates argues that someone can arrive at a correct judgment on testimony without having witnessed or known the event firsthand. The example tests Theaetetus’s proposal that knowledge simply equals true opinion; the dialogue continues to investigate other proposed definitions rather than announcing a simple final formula.
Source details
Theaetetus, around Stephanus 201a–c, Socrates explaining his law-court counterexample while speaking with Theaetetus. Benjamin Jowett English translation, Project Gutenberg #1726. The full sentence is spoken by Socrates in the dramatic dialogue, not from Jowett’s prefatory commentary; no claim is made about modern evidence law.
