SOCRATES: Perhaps we may be wrong; if so, you in your wisdom should convince us that we are mistaken in preferring justice to injustice. THRASYMACHUS: And how am I to convince you, he said, if you are not already convinced by what I have just said; what more can I do for you? Would you have me put the proof bodily into your souls?

Other people are likely not to be aware that those who pursue philosophy aright study nothing but dying and being dead. Now if this is true, it would be absurd to be eager for nothing but this all their lives, and then to be troubled when that came for which they had all along been eagerly practicing.

How well I remember the aged poet Sophocles, when in answer to the question, "How does love suit with age, Sophocles - are you still the man you were?" he replied, "Peace, most gladly have I escaped the thing of which you speak; I feel as if I had escaped from a mad and furious master."

A house that has a library in it has a soul.

Necessity, who is the mother of our invention.

The man who hath music in his soul will be most in love with the loveliest.

All knowledge is but remembrance.