It is true that one has to think first and then to act - but it's also true that if one has no possibility of acting, one's thinking kind of becomes empty and stupid.

Actually, if you take the average American, and studies have shown that, he is really concerned only with private affairs; that is to say, with his health, his money and family affairs.

The essential difference between the unhappy, neurotic type person and him of great joy is the difference between get and give.

As we ascend the social ladder, viciousness wears a thicker mask.

If faith cannot be reconciled with rational thinking, it has to be eliminated as an anachronistic remnant of earlier stages of culture and replaced by science dealing with facts and theories which are intelligible and can be validated.

Ideas become powerful only if they appear in the flesh; an idea which does not lead to action by the individual and by groups remains at best a paragraph or a footnote in a book.

Conditions for creativity are to be puzzled; to concentrate; to accept conflict and tension; to be born everyday; to feel a sense of self.