If one is not productive in other spheres, one is not productive in the love either.

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

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

Productive work, love and thought are possible only if a person can be, when necessary, quiet and alone. To be able to listen to oneself is the necessary condition for relating oneself to others.

All men are in need of help and depend on one another. Human solidarity is the necessary condition for the unfolding of any one individual.

Respect is not fear and awe; it...[is]the ability to see a person as he is, to be aware of his unique individuality. Respect, thus, implies the absence of exploitation. I want the loved person to grow and unfold for his own sake, and in his own ways, and not for the purpose of serving me.

Love is hot a higher power which descends upon mn nor a duty which is imposed upon him; it is his own power by which he relates himself to the world and makes it truly his.