Rules and models destroy genius and art.

It is better to drink of deep grief than to taste shallow pleasures.

The origin of all science is the desire to know causes, and the origin of all false science is the desire to accept false causes rather than none; or, which is the same thing, in the unwillingness to acknowledge our own ignorance.

Well I've had a happy life.

We grow tired of everything but turning others into ridicule, and congratulating ourselves on their defects.

It may be made a question whether men grow wiser as they grow older, anymore than they grow stronger or healthier or honest.

A man's reputation is not in his own keeping, but lies at the mercy of the profligacy of others. Calumny requires no proof.