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Plato Quotes on Mind

Browse 19 quotations connecting Plato with Mind, with meanings, source notes and related themes.

Reading guide

Mind, inner dialogue and intellect in Plato’s dramatic arguments

In The Republic, a line about compulsory learning concerns the way education shapes intellectual development; in Symposium, the beauty of the mind is compared with outward appearance, and in Laws the Athenian Stranger connects formation of mind and body. New passages add three different philosophical settings, not three interchangeable modern motivational slogans. In Theaetetus, Socrates tentatively likens thought to silent conversation with oneself while testing the nature of false opinion. In Phaedo, Socrates argues for contemplative separation from sensory distraction as part of a disputed ancient account of body and soul. In Philebus, Socrates speaks of mind as a proposed ordering cause of the universe, invoking earlier philosophers; this is a metaphysical argument, not a neuroscientific claim. These are distinct dialogues in Jowett’s translation, with Socrates explicitly identified as the dramatic speaker in the additions. Read each source and meaning before interpreting 'mind' as one settled doctrine.

Sources

Where these mind quotations appear

Sources represented here include Phaedo, The Republic, Apology.

19 shown
Quotations

19 matching quotations with meanings and source context

Source identified1
I neither know nor think that I know.

“I neither know nor think that I know.”

Voice: Dialogue speaker · Socrates

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.

Source identified3
But why, my dear Crito, should we care about the opinion of the many?

“But why, my dear Crito, should we care about the opinion of the many?”

Voice: Dialogue speaker · Socrates

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.

Source identified4
I mean to say, Laches, that courage is the knowledge of that which inspires fear or confidence in war, or in anything.
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“I mean to say, Laches, that courage is the knowledge of that which inspires fear or confidence in war, or in anything.”

Voice: Dialogue speaker · Nicias

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.

Source identified5
Am I not right in maintaining that a good education is that which tends most to the improvement of mind and body?
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“Am I not right in maintaining that a good education is that which tends most to the improvement of mind and body?”

Voice: Dialogue speaker · Athenian Stranger

The speaker asks whether education should develop mental as well as bodily capacities. In the dialogue this opens a discussion of early nurture, training and the proposed legal order.

Source details

Laws, Book VII, Benjamin Jowett English translation. The Athenian Stranger asks Cleinias this question as they begin discussing how children should be raised; it is dialogue, not a detached modern prescription for health or schooling.

Source identified6
And this is why knowledge is more honourable and excellent than true opinion, because fastened by a chain.
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“And this is why knowledge is more honourable and excellent than true opinion, because fastened by a chain.”

Voice: Dialogue speaker · Socrates

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.

Source details

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.

Source identified7
And is the soul seen or not seen?

“And is the soul seen or not seen?”

Voice: Dialogue speaker · Socrates

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.

Source details

Phaedo, Benjamin Jowett translation; Socrates asks the question during the dialogue’s argument about visible bodies and the unseen soul.

Source identified8
Then the soul is more like to the unseen, and the body to the seen?

“Then the soul is more like to the unseen, and the body to the seen?”

Voice: Dialogue speaker · Socrates

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.

Source identified9
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.
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“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.”

Voice: Dialogue speaker · Socrates

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.

Source identified10
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?
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“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?”

Voice: Dialogue speaker · Socrates

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).

Source identified11
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.
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“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.”

Voice: Dialogue speaker · Socrates

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.

Source identified12
the beauty of the mind is more honourable than the beauty of the outward form.

“the beauty of the mind is more honourable than the beauty of the outward form.”

Voice: Reported speaker · Diotima, recounted by Socrates

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.

Source identified13
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.

“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

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.

Source identified14
Knowledge which is acquired under compulsion obtains no hold on the mind.

“Knowledge which is acquired under compulsion obtains no hold on the mind.”

Voice: Dialogue speaker · Socrates

Learning forced without engagement may fail to become durable understanding because the learner has not made the knowledge intellectually their own.

Source details

The Republic, Book VII, Jowett translation; Socrates argues that education should draw the mind rather than rely only on compulsion.

Source identified15
Opinion appears to you to be darker than knowledge, but lighter than ignorance?

“Opinion appears to you to be darker than knowledge, but lighter than ignorance?”

Voice: Dialogue speaker · Socrates

Opinion is treated as an intermediate state: it is not complete ignorance, but it also lacks the clarity and stability of knowledge.

Source details

The Republic, Book V; Socrates places opinion between knowledge and ignorance in the argument about what each apprehends.

Source identified16
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?
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“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?”

Voice: Dialogue speaker · Socrates

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.

Source identified17
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?
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“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?”

Voice: Dialogue speaker · Socrates

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.

Source identified18
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.
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“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.”

Voice: Dialogue speaker · Socrates

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.

Source identified19
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.
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“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.”

Voice: Dialogue speaker · Socrates

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.

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