The human passions transform man from a mere thing into a hero, into a being that in spite of tremendous handicaps tries to make sense of life.

If you do not smile, you are judged lacking in a 'pleasing personality' - and you need to have a pleasing personality if you want to sell your services, whether as a waitress, a salesman, or a physician.

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

Boredom is nothing but the experience of a paralysis of our productive powers.

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.

One cannot be deeply responsive to the world without being saddened very often.

I would say our social relationships are relatively shallow. We are actually afraid to be intimate, with people - many people even with their wives and husbands.