Because you’re such a good salesman, and if you go work for a company, they’re going to use you as a salesman. If you’re going to be a salesman, you might as well be selling something worthwhile, like education

When you see yourself doing something badly and nobody's bothering to tell you anymore, that's a very bad place to be. Your critics are the ones telling you they still love you and care.

The brick walls are there to stop the people who don't want it badly enough. They are there to stop the other people!

Don’t complain; just work harder.

Never make a decision until you have to.

And even though I did not reach the National Football League, I sometimes think I got more from pursuing that dream, and not accomplishing it, than I did from many of the ones I did accomplish.

Don't bail; the best pieces of gold are at the bottom of the barrel of crap.