As a breath of wind or some echo rebounds from smooth, hard surfaces and returns to the source from which it issued, so the stream of beauty passes back into its possessor through his eyes, which is its natural route to the soul; arriving there and setting him all aflutter, it waters the passages of the feathers and causes the wings to grow, and fills the soul of the loved one in his turn with love.

It is better to be wise, and not to seem so, than to seem wise, and not be so; yet men, for the most part, desire the contrary.

From all wild beasts, a child is the most difficult to handle.

The soul takes nothing with her to the other world but her education and culture; and these, it is said, are of the greatest service or of the greatest injury to the dead man, at the very beginning of his journey hither.

Shall we not, then, lay down a law, in the first place, that boys shall abstain altogether from wine till their eighteenth year, thereby teaching that it is wrong to add fire to fire, as through a funnel, pouring it into their body and soul before they proceed to the labor of life, thus exercising a caution as to the maddening habits of youth.

I have hardly ever known a mathematician who was capable of reasoning.

[M]ere knowledge of the truth will not give you the art of persuasion.