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.

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

Love is the child of freedom, never that of domination.

Every society by its own practice of living and by the mode of relatedness, of feelings, and perceiving, develops a system of categories which determines the forms of awareness.

Modern man is assailed on every side and almost without interruption by noise - of the radio, of television, of headlines, of advertising and of the cinema - of which the greatest part, far from enlightening the mind, blunts and stultifies it.

Happiness is a man's greatest achievement; it is the response of his total personality to a productive orientation toward himself and the world outside.

Technical Utopias-flying, for example-have been achieved by the new science of nature.The human utopia...a united new humankind living in solidarity and peace, free from economic determination and from war and class struggle-can be achieved, provided we spend the same energy, intelligence, and enthusiasm on the realization of the human Utopia as we have spent on the realization of our technical Utopias.