“A life which does not go into action is a failure.”

“Encounters taking the form of challenge-and-response are the most illuminating kind of events a for student of human affairs if he believes, as I believe, that one of the most distinctive characteristics of Man is the he is partially free to make choices.... Encounters are the occasions in human life on which freedom and creativity come into play and on which new things are brought into existence.”

“Civilizations die from suicide, not by murder.”

“Militarism has been by far the commonest cause of the breakdown of civilizations. The single art of war makes progress at the expense of all the arts of peace.”

“The only real struggle in the history of the world...is between the vested interest and social justice.”

“America is a large, friendly dog in a very small room. Every time it wags its tail, it knocks over a chair.”

“The human race’s prospects of survival were considerably better when we were defenseless against tigers than they are today when we have become defenseless against ourselves.”