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

It is true that one has to think first and then to act - but it's also true that if one has no possibility of acting, one's thinking kind of becomes empty and stupid.

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

Love is active penetration of the other person, in which my desire to know is stilled by union. In the act of fusion I know you, I know myself, I know everybody - and I "know" nothing.

Modern man, if he dared to be articulate about his concept of heaven, would describe a vision which would look like the biggest department store in the world, showing new things and gadgets, and himself having plenty of money with which to buy them.

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.

To have faith requires courage, the ability to take a risk, the readiness even to accept pain and disappointment. Whoever insists on safety and security as primary conditions of life cannot have faith; whoever shuts himself off in a system of defense, where distance and possession are his means of security, makes himself a prisoner. To be loved, and to love, need courage, the courage to judge certain values as of ultimate concern – and to take the jump and to stake everything on these values.