When a man says I cannot, he has made a suggestion to himself. He has weakened his power of accomplishing that which otherwise would have been accomplished.
Muhammad AliSanta Claus was white and everything bad was black. The little ugly duckling was the black duck, and the black cat was the bad luck. And if I threaten you, I'm going to blackmail you.I said, 'Momma, why don't they call it 'whitemail'? They lie too.'
Muhammad Ali