If there is no evidence that sport lowers aggression, at the same time it should be said that there is also no evidence that sport is motivated by aggression.

We have a religious renaissance today in America, as many people say. I would say this religious renaissance, ninety percent of it is the greatest danger true religious experience has ever been confronted with.

We can express ideas without being afraid of being killed or imprisoned.

I would say democracy once meant an organizational society and a state, in which the individual citizen is - feels - responsible, and acts responsibly, and participates in decision-making.

Sleep is often the only occasion in which man cannot silence his conscience; we forget what we knew in our dream.

Ideas become powerful only if they appear in the flesh; an idea which does not lead to action by the individual and by groups remains at best a paragraph or a footnote in a book.

Understanding a person does not mean condoning; it only means that one does not accuse him as if one were God or a judge placed above him.