Age imprints more wrinkles in the mind than it does on the face.

There is no pleasure to me without communication: there is not so much as a sprightly thought comes into my mind that it does not grieve me to have produced alone, and that I have no one to tell it to.

My trade and art is to live.

Stubborn and ardent clinging to one's opinion is the best proof of stupidity.

Let us permit nature to have her way. She understands her business better than we do.

There is no pleasure to me without communication: there is not so much as a sprightly thought comes into my mind that it does not grieve me to have produced alone, and that I have no one to tell it to.

No pleasure has any savor for me without communication.

Valor is stability, not of legs and arms, but of courage and the soul.

The strangest, most generous, and proudest of all virtues is true courage.

It is not death, it is dying that alarms me.