Man is a wingless animal with two feet and flat nails.

Whatever deceives men seems to produce a magical enchantment.

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.

Justice is nothing more than the advantage of the stronger.

If the head and the body are to be well, you must begin by curing the soul.

You ought not to heal the body without the soul, for this is the great error of our day in treating the human body.

Wise men speak because they have something to say