Happiness is a very proud word of our whole cultural heritage.

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.

I would say our social relationships are relatively shallow. We are actually afraid to be intimate, with people - many people even with their wives and husbands.

In the 19th century inhumanity meant cruelty; in the 20th century it means schizoid self-alienation.

Once they are through the process of education, most people lose the capacity of wondering, of being surprised. They feel they ought to know everything, and hence that it is a sign of ignorance to be surprised or puzzled by anything.

Man's main task in life is to give birth to himself.

Love is the only sane and satisfactory answer to the problem of human existence.