Get a good idea, and stay with it. Dog it, and work at it until it's done, and done right.

Sometimes when you innovate, you make mistakes. It is best to admit them quickly, and get on with improving your other innovations.

Innovation is the specific instrument of entrepreneurship…the act that endows resources with a new capacity to create wealth.

To raise new questions, new possibilities, to regard old problems from a new angle, requires creative imagination and marks real advance in science.

This is the mark of a really admirable man: steadfastness in the face of trouble.

Good, better, best. Never let it rest. 'Til your good is better and your better is best.

All labor that uplifts humanity has dignity and importance and should be undertaken with painstaking excellence.

Be happy with what you have while working for what you want.

The minute you get away from fundamentals—whether its proper technique, work ethic or mental preparation—the bottom can fall out of your game, your schoolwork, your job, whatever you're doing.

Football is like life—it requires perseverance, self-denial, hard work, sacrifice, dedication and respect for authority.

It is none of their business that you have to learn how to write. Let them think you were born that way.

All good writing is swimming under water and holding your breath.