As long as there are sovereign nations possessing great power, war is inevitable.

The discovery of nuclear reactions need not bring about the destruction of mankind any more than the discovery of matches.

But the personality that finally emerges is largely formed by the environment in which a man happens to find himself during his development, by the structure of the society in which he grows up, by the tradition of that society, and by its appraisal of particular types of behavior.

If most of us are ashamed of shabby clothes and shoddy furniture let us be more ashamed of shabby ideas and shoddy philosophies.

Small is the number of people who see with their eyes and think with their minds.

The idea of a personal God is an anthropological concept which I am unable to take seriously.

A new idea comes suddenly and in a rather intuitive way, but intuition is nothing but the outcome of earlier intellectual experience.