To err is human, but to really foul things up requires a computer.
Men of genius do not excel in any profession because they labor in it, but they labor in it because they excel.
The man who is swimming against the stream knows the strength of it.
In the end, we will remember not the words of our enemies, but the silence of our friends.
It is curious that physical courage should be so common in the world and moral courage so rare.
You have no control over what the other guy does. You only have control over what you do.
I never think of the future - it comes soon enough.