Peace is not a relationship of nations. It is a condition of mind brought about by a serenity of soul. Peace is not merely the absence of war. It is also a state of mind. Lasting peace can come only to peaceful people.

Action to be effective must be directed to clearly conceived ends.

The person who runs away exposes himself to that very danger more than a person who sits quietly.

Science and technology have freed humanity from many burdens and given us this new perspective and great power. This power can be used for the good of all. If wisdom governs our actions; but if the world is mad or foolish, it can destroy itself just when great advances and triumphs are almost without its grasp.

I have always thought that the best way to find out what is right and what is not right, what should be done and what should not be done, is not to give a sermon, but to talk and discuss, and out of discussion sometimes a little bit of truth comes out.

Life is like a game of cards. The hand you are dealt is determinism; the way you play it is free will.

It is only too easy to make suggestions and later try to escape the consequences of what we say.