For not by art does the poet sing, but by power divine. Had he learned by rules of art, he would have known how to speak not of one theme only, but of all; and therefore God takes away the minds of poets, and uses them as his ministers, as he also uses diviners and holy prophets, in order that we who hear them may know them to be speaking not of themselves who utter these priceless words in a state of unconsciousness, but that God himself is the speaker, and that through them he is conversing with us.

You can't do good if you don't feel good.

Thinking: the talking of the soul with itself.

It was Plato, according to Sosigenes, who set this as a problem for those concerned with these things, through what suppositions of uniform and ordered movements the appearances concerning the movements of the wandering heavenly bodies could be preserved.

Mariner, do not ask whose tomb this may be, but go with good fortune: I wish you a kinder sea.

The more the pleasures of the body fade away, the greater to me is the pleasure and charm of conversation.

The worst of all deceptions is self-deception.