Nationalism is an infantile sickness. It is the measles of the human race.

Nationalism is an infantile disease. It is the measles of mankind.

(Bias against the Negro) is the worst disease from which the society of our nation suffers

Any life, no matter how long and complex it may be, is made up of a single moment, the moment in which a man finds out, once and for all, who he is.

Any power must be an enemy of mankind which enslaves the individual by terror and force, whether it arises under the Fascist or the Communist flag. All that is valuable in human society depends upon the opportunity for development accorded to the ind

Time and space are modes by which we think and not conditions in which we live