I sustain myself with the love of family.
I've learned that even when I have pains, I don't have to be one.
Your reputation is the most important thing you'll never have. Not clothes, nor money, not the big cars you may drive. If your reputation is good, you can achieve anything you want in the world.
I am capable of what every other human is capable of. This is one of the great lessons of war and life.
The progress of science presupposes the possibility of unrestricted communications of all results and judgments – freedom of expression and instruction in all realms of intellectual endeavor.
When I was a little boy my father showed me a small compass, and the enormous impression that it made on me certainly played a role in my life.