To know how to live is my trade and my art.

Whatever is preached to us, and whatever we learn, we should still remember that it is man that gives, and man that receives; it is a mortal hand that presents it to us, it is a mortal hand that accepts it.

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

Anyone who does not feel sufficiently strong in memory should not meddle with lying.

There is no conversation more boring than the one where everybody agrees.

If your doctor does not think it good for you to sleep, to drink wine, or to eat of a particular dish, do not worry; I will find you another who will not agree with him.

I turn my gaze inward. I fix it there and keep it busy. I look inside myself. I continually observe myself.