Show me a sane man and I will cure him for you.
Religion is a defense against the experience of God.
Man needs difficulties; they are necessary for health.
Knowledge rests not upon truth alone, but upon error also.
Nothing worse could happen to one than to be completely understood.
If one does not understand a person, one tends to regard him as a fool.
It all depends on how we look at things, and not on how they are themselves.
The word "happiness" would lose its meaning if it were not balanced by sadness.
Nobody, as long as he moves about among the currents of life, is without trouble.
Everything that irritates us about others can lead us to an understanding of ourselves.