Faith is essentially intolerant ... essentially because necessarily bound up with faith is the illusion that one's cause is also God's cause.

"Can any good come out of Nazareth?" This is always the question of the wiseacres and the knowing ones. But the good, the new, comes from exactly that quarter whence it is not looked for, and is always different from what was expected. Everything new is received with contempt-for it begins in obscurity. It becomes a power unobserved.

To theology, ... only what it holds sacred is true, whereas to philosophy, only what holds true is sacred.

The doctrine of foods is of great ethical and political significance. Food becomes blood, blood becomes heart and brain, thoughts and mind stuff. Human fare is the foundation of human culture and thought. Would you improve a nation? Give it, instead of declamations against sin, better food. Man is what he eats [Der Mensch ist, was er isst].

It is not as in the Bible, that God created man in his own image. But, on the contrary, man created God in his own image.

The first and highest law must be the love of man to man. Homo homini Deus est - this is the supreme practical maxim, this is the turning point of the world's History.

Man created God in his own image.