I'm a great believer in luck, and I find the harder I work the more I have of it. In the end, the only people who fail are those who do not try.
True greatness consists in being great in little things.
Our thoughts and imaginations are the only real limits to our possibilities. The only way to discover the limits of the possibilities is to go beyond them into the impossible. Even a mistake may be the one thing necessary to a worthwhile achievement. Don't give an inch until the final buzzer sounds. There's nothing magical that says education should start at age 5 and end at 18.