Bears don't live on Park Avenue.
No man can humiliate me or disturb me. I won't let him.
Approach each new problem not with a view of finding what you hope will be there, but to get the truth.
I get the facts, I study them patiently, I apply imagination.
If you have made a mistake cut your losses as quickly as possible.
Science has taught us how to put the atom to work. But to make it work for good instead of for evil lies in the domain dealing with the principles of human dignity. We are now facing a problem more of ethics than of physics.