I feel worried, deeply worried, only about one thing - the possibility that we fall... that we cannot avoid an atomic war.

Death is never sweet, not even if it is suffered for the highest ideal.

Politics and religious leaders [are hindered] by their egotism.

The Russians have succeeded in one thing: they have sold the world the idea that they represent socialism and the ideas of Marx,and we have done the greatest service to their propaganda by agreeing that that's what it is.

I think we got off the track, as many societies do, who follow successfully one aim, and yet are not capable of seeing at what point the pursuit of this aim prevents them from following a more total aim. That is to say, they get into a blind alley.

Human history began with an act of disobedience and it is not unlikely that it will be terminated by an act of obedience.

Critical and radical thought will only bear fruit when it is blended with the most precious quality man is endowed with - the love of life