When the nazis came to power, I looked to the universities that prided themselves upon their intellectual freedom, and they failed me. I looked to the German press, which prided itself on the freedom of the press, and it failed me. Until at last the churches stood alone, and that for which I once had little regard earned my respect.

Where the world ceases to be the scene of our personal hopes and wishes, where we face it as free beings admiring, asking and observing, there we enter the realm of Art and Science.

In the beginning (if there was such a thing), God created Newton's laws of motion together with the necessary masses and forces. This is all; everything beyond this follows from the development of appropriate mathematical methods by means of deduction.

The only justifiable purpose of political institutions is to ensure the unhindered development of the individual.

Life is sacred, that is to say, it is the supreme value, to which all other values are subordinate.

I have reached an age where if someone tells me to wear socks, I dont have to

Those who manage their way into a crisis are not necessarily the right people to manage their way out of a crisis