If you take a salesman, who sells a useless commodity, he feels like a fraud.

I think if you ask what people really mean by happiness today, it is the experience of unlimited consumption - the kind of thing Mr. Huxley described in "Brave New World."

There is only one reality: the act of feeling ourselves in the process of making choices.

Love is union with somebody, or something, outside oneself, under the condition of retaining the separateness and integrity of one's own self.

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.

Greed is a bottomless pit which exhausts the person in an endless effort to satisfy the need without ever reaching satisfaction.

It seems that great minds a hundred years ago saw what would happen today or tomorrow, while we to whom it is happening blind ourselves in order not to be disturbed in our daily routine.