That lies should be necessary to life is part and parcel of the terrible and questionable character of existence.

The object of convalescence ought to be to turn our attention to life: at other times, simply to our tasks!

One is punished best for one's virtues.

The good displeases us when we are not up to it.

A thinker sees his own actions as experiments and questions--as attempts to find out something. Success and failure are for him answers above all.

Instinct. When the house burns one forgets even lunch. Yes, but one eats it later in the ashes.

We must be physicists in order to be creative since so far codes of values and ideals have been constructed in ignorance of physics or even in contradiction to physics.