You can't teach people anything. You can only draw out.

The beating on the tail of the snake may stop his progress a little, but the more vital parts must be struck before his poisonous death-dealing venom will be wiped out.

There are two ways, one is right; the other is wrong. If your work is only about right, then it is wrong.

The centre of his world was the south where he was born in slavery some 79 years ago and where he did his work as a creative scientist.

There is no shortcut to achievement.

Fear of something is at the root of hate for others, and hate within will eventually destroy the hater.

When I was young, I said to God, 'God, tell me the mystery of the universe.' But God answered, 'That knowledge is for me alone.' So I said, 'God, tell me the mystery of the peanut.' Then God said, 'Well George, that's more nearly your size.' And he told me.