'Tis an easier matter to raise the devil than to lay him.

Invoked or not invoked, the god is present.

The more ignorant, reckless and thoughtless a doctor is, the higher his reputation soars even amongst powerful princes.

The chief element of happiness is this: to want to be what you are.

The wedlocks of minds will be greater than that of bodies.

What difference is there, do you think, between those in Plato's cave who can only marvel at the shadows and images of various objects, provided they are content and don't know what they miss, and the philosopher who has emerged from the cave and sees the real things?

There is no joy in possession without sharing.