Only the extremely ignorant or the extremely intelligent can resist change.

Awareness of ignorance is the beginning of wisdom.

There are two kinds of disease of the soul, vice and ignorance.

I am quite ready to acknowledge . . . that I ought to be grieved at death, if I were not persuaded that I am going to other gods who are wise and good (of this I am as certain as I can be of any such matters), and to men departed who are better than those whom I leave behind. And therefore I do not grieve as I might have done, for I have good hope that there is yet something remaining for the dead.

True wisdom lies in one's confession about the limits of one's knowledge.

It is possible that a man could live twice as long if he didn't spend the first half of his life acquiring habits that shortens the other half

The real artist, who knew what he was imitating, would be interested in realities and not in imitations; and would desire to leave as memorials of himself works many and fair; and, instead of being the author of encomiums, he would prefer to be the theme of them.