We, however, want to become those we are--human beings who are new, unique, incomparable, who give themselves laws, who create themselves. To that end we must become the best learners and discoverers of everything that is lawful and necessary in the world: we must become physicists in order to be able to be creators in this sense--while hitherto all valuations and ideals have been based on ignorance of physics or were constructed so as to contradict it. Therefore: long live physics! And even more so that which compels us to turn to physics--our honesty!

Whoever despises himself still esteems the despiser within himself.

Poets are shameless with their experiences: they exploit them.

When one has a great deal to put into it a day has a hundred pockets.

Our knowledge will take its revenge on us, just as ignorance exacted its revenge during the Middle Ages.

A man who is very busy seldom changes his opinions.

Mystical explanations are thought to be deep; the truth is that they are not even shallow.