To educate yourself for the feeling of gratitude means to take nothing for granted.

If there is anything I have learned about men and women, it is that there is a deeper spirit of altruism than is ever evident. Just as the rivers we see are minor compared to the underground streams, so, too, the idealism that is visible is minor compared to what people carry in their hearts unreleased or scarcely released.

A thinking man feels compelled to approach all life with the same reverence he has for his own.

Does my behavior in respect of love affect nothing? That is because there is not enough love in me.

The quiet conscience is an invention of the devil.

You know of the disease in Central Africa called sleeping sickness. . . . There also exists a sleeping sickness of the soul. Its most dangerous aspect is that one is unaware of its coming. That is why you have to be careful. As soon as you notice the slightest sign of indifference, the moment you become aware of the loss of a certain seriousness, of longing, of enthusiasm and zest, take it as a warning. You should realize your soul suffers if you live superficially.

You must not expect anything from others. It's you, of yourself, of whom you must ask a lot. Only from oneself has one the right to ask everything and anything. This way it's up to you - your own choices - what you get from others remains a present, a gift.