Erudition can produce foliage without bearing fruit.

Rational free spirits are the light brigade who go on ahead and reconnoiter the ground which the heavy brigade of the orthodox will eventually occupy.

Brevity: To say at once whatever is to be said.

The most successful tempters and thus the most dangerous are the deluded deluders.

I am convinced we do not only love ourselves in others but hate ourselves in others too.

It is in the gift for employing all the vicissitudes of life to one's own advantage and to that of one's craft that a large part of genius consists.

Man is a masterpiece of creation, if only because no amount of determinism can prevent him from believing that he acts as a free being.