If religion is the establishing of a relationship between man and the universe, then morality is the explanation of those activities that automatically result when a person maintains a relationship to the universe.

There is one thing, and only one thing, in which it is granted to you to be free in life, all else being beyond your power: that is to recognize and profess the truth.

Only greatly insolent people establish a religious law which is to be taken for granted by others, which should be accepted by everyone on faith, without any discussion or doubts. Why must people do this?

Everything I know, I know because of love.

He who has a mistaken idea of life, will always have a mistaken idea of death.

Art can compel people freely, gladly, and spontaneously to sacrifice themselves in the service of man.

Art is the uniting of the subjective with the objective, of nature with reason, of the unconscious with the conscious, and therefore art is the highest means of knowledge.