Some people think they can; some think they can't. They are probably both right.
Whether we think we can or cannot, we are right.
One of the greatest discoveries a man makes, one of his great surprises, is to find he can do what he was afraid he couldn't do.
Time and money spent in helping men to do more for themselves is far better than mere giving.
One who fears failure limits his activities.
Whatever you have, you must either use or lose.