Man's biological weakness is the condition of human culture.

The criterion of mental health is not one of individual adjustment to a given social order, but a universal one, valid for all men, of giving a satisfactory answer to the problem of human existence.

We've wanted to produce more in the 19th century and the 20th century in order to give man the possibility for more dignified human life; but actually what has happened is that production and consumption have become means - have ceased to be means and have become ends, and we are production crazy and consumption crazy.

We are not on the way to greater individualism, but are becoming an increasingly manipulated mass civilization.

Integrity simply means not violating one's own identity.

The danger of the past was that men became slaves. The danger of the future is that men may become robots. True enough, robots do not rebel. But given man's nature, robots cannot live and remain sane, they become ''Golems',' they will destroy their world and themselves because they cannot stand any longer the boredom of a meaningless life.

The mother-child relationship is paradoxical and, in a sense, tragic. It requires the most intense love on the mother's side, yet this very love must help the child grow away from the mother, and to become fully independent.