The earth has a skin and that skin has diseases; one of its diseases is called man.

Strideth over all mountains, and laugheth at all tragedies

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!

A physician who treated me as a nervous case for a while said in the end "No! It is not a matter of your nerves; it is I who am nervous".

Let old ones go. Dont be a memory-monger! Once you were young──now you are even younger.

It is far pleasanter to injure and afterwards beg forgiveness than to be injured and grant forgiveness. He who does the former gives evidence of power and afterwards of kindness of character.

Aphorisms should be peaks - and those who are addressed, tall and lofty. The air thin and pure, danger near, and the spirit full of gay sarcasm: these go well together.