It takes a touch of genius - and a lot of courage to move in the opposite direction.

It is really a puzzle what drives one to take one's work so devilishly seriously.

The great moral teachers of humanity were in a way artistic geniuses in the art of living.

I am an absolute pacifist...It is an instinctive feeling. It is a feeling that possesses me, because the murder of men is disgusting.

It is the supreme art of the teacher to awaken joy in creative expression and knowledge.

Opinions about obviousness are to a certain extent a function of time.

Human beings, in their thinking, feeling and acting are not free agents but are as causally bound as the stars in their motion.