If we are to keep our flock at the highest pitch of excellence, there should be as many unions of the best of both sexes, and as few of the inferior as possible, and that only the offspring of the better unions should be kept.

It is through geometry that one purifies the eye of the soul.

Serious things cannot be understood without laughable things, nor opposites at all without opposites.

A good man cannot be harmed either in life or in death, and his affairs are not neglected by the gods.

Writing is the geometry of the soul.

One should turn towards the main ocean of the-beautiful-in-the-world so that one may by, contemplation of this Form, bring forth in all their splendor many fair fruits of discourse and meditation in a plenteous crop of philosophy.

A wise man speaks because he has something to say; a fool because he has to say something.