Madness, provided it comes as the gift of heaven, is the channel by which we receive the greatest blessings... the men of old who gave things their names saw no disgrace or reproach in madness; otherwise they would not have connected it with the name of the noblest of arts, the art of discerning the future, and called it the manic art... So, according to the evidence provided by our ancestors, madness is a nobler thing than sober sense... madness comes from God, whereas sober sense is merely human.

No attempt should be made to cure the body without the soul

Don't quarrel with your parents even if you are on the right.

That man is wisest who, like Socrates, realizes that his wisdom is worthless

Herein is the evil of ignorance, that he who is neither good nor wise is nevertheless satisfied with himself: he had no desire for that of which he feels no want.

Arithmetic is a kind of knowledge in which the best natures should be trained, and which must not be given up.

Of all the Gods, Love is the best friend of humankind, the helper and healer of all ills that stand in the way of human happiness.