Confidence in others' honesty is no light testimony of one's own integrity.

Intelligence is required to be able to know that a man knows not.

If people must be talking about me, I would have it to be truthfully and justly. I would willingly return from the next world to contradict any person who described me other than I was, although he did it to honour me.

Most men are rich in borrowed sufficiency: a man may very well say a good thing, give a good answer, cite a good sentence, without at all seeing the force of either the one or the other.

There is no virtue which does not rejoice a well-descended nature; there is a kind of I know not what congratulation in well-doing, that gives us an inward satisfaction, and a certain generous boldness that accompanies a good conscience.

Lucius Arruntius killed himself, he said, to escape both the future and the past.

Obsession is the wellspring of genius and madness.