The fact that millions of people share the same vices does not make these vices virtues, the fact that they share so many errors does not make the errors to be truths, and the fact that millions of people share the same form of mental pathology does not make these people sane.

We are all equal in the sense that no man must mean - must be - the means for the purposes of another man; but each individual is an end in itself.

If there is no evidence that sport lowers aggression, at the same time it should be said that there is also no evidence that sport is motivated by aggression.

Love is a decision, it is a judgment, it is a promise. If love were only a feeling, there would be no basis for the promise to love each other forever. A feeling comes and it may go. How can I judge that it will stay forever, when my act does not involve judgment and decision.

Sanity is only that which is within the frame of reference of conventional thought.

Reason is man's faculty for grasping the world by thought, in contradiction to intelligence, which is man's ability to manipulate the world with the help of thought. Reason is man's instrument for arriving at the truth, intelligence is man's instrument for manipulating the world more successfully; the former is essentially human, the latter belongs to the animal part of man.

The capacity to be puzzled is the premise of all creation, be it in art or in science.