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.

Love isn't something natural. Rather it requires discipline, concentration, patience, faith, and the overcoming of narcissism. It isn't a feeling, it is a practice.

The whole life of the individual is nothing but the process of giving birth to himself; indeed, we should be fully born when we die.

Freedom is not a constant attribute which we either "have" or "have not." In fact, there is no such thing as "freedom" except as a word and an abstract concept. There is only one reality: the act of freeing ourselves in the process of making choices. In this process the degree of our capacity to make choices varies with each act, with our practice of life.

The customer is an object to be manipulated, not a concrete person whose aims the businessman is interested to satisfy.

The danger of the past was that men became slaves. The danger of the future is that man may become robots.

Only the person who has faith in himself is able to be faithful to others.