128 Sourced Quotes
Most excellent man, are you who are a citizen of Athens, the greatest of cities and the most famous for wisdom and power, not ashamed to care for the acquisition of wealth and for reputation and honour, when you neither care nor take thought for wisdom and truth and the perfection of your soul?
And how is not this the most reprehensible ignorance, to think that one knows what one does not know? But I, O Athenians! in this, perhaps, differ from most men; and if I should say that I am in any thing wiser than another, it would be in this, that not having a competent knowledge of the things in Hades, I also think that I have not such knowledge.
There is only one good, knowledge, and one evil, ignorance.
Variant: The only good is knowledge and the only evil is ignorance.
... the body is a source of endless trouble to us by reason of the mere requirement of food; and is also liable to diseases which overtake and impede us in the search after 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.