Hell! there ain't no rules around here! We are tryin' to accomplish somep'n!

What physics looks for: The simplest possible system of thought which will bind together the observed facts.

Even a fool is wise after an event.

There is nothing known as "Perfect". Its only those imperfections which we choose not to see!!

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.

That is the way to learn the most, that when you are doing something with such enjoyment that you don't notice that the time passes.

I didn't arrive at my understanding of the fundamental laws of the universe through my rational mind.