I believe that one can and must hope for a sane society that furthers man's capacity to love his fellow men, to work and create, to develop his reason and his objectivity of a sense of himself that is based on the experience of his productive energy. I believe that one can and must hope for the collective regaining of a mental health that is characterized by the capacity to love and to create.

Man can be conditioned to behave in almost every desired way; but only "almost.

Optimism is an alienated form of faith, pessimism an alienated form of despair.

Modern man's happiness consists in the thrill of looking at the shop windows, and in buying all that he can afford to buy, either for cash or on installments.

There is a creative pleasure, which, for instance, the artisan in the Middle Ages, or in a country like Mexico, still today has - namely the pleasure of creating something. You find quite a few skilled workers who still have that pleasure: maybe in a steel mill; maybe a worker who works with a complicated machine - he has a sense that he is creating something.

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

We must make a decision of values.