We've got to pause and ask ourselves: How much clean air do we need?

From what I've seen, you either get grounded in that kind of positive thinking early on in life or you don't. Establishing priorities and using your time well aren't things you can pick up at the Harvard Business School. Formal learning can teach you a great deal, but many of the essential skills in life are the ones you have to develop on your own.

Leadership means setting an example. When you find yourself in a position of leadership, people follow your every move.

Thanks to properly selecting the clients you will not be unnecessarily wasting time.

You've got to say, "I think that if I keep working at this and want it badly enough I can have it." It's called perseverance.

I learned about the strength you can get from a close family life. I learned to keep going, even in bad times. I learned not to despair, even when my world was falling apart. I learned that there are no free lunches. And I learned the value of hard work.

I don't need a $100 million mistake. Try to make a $5 million mistake if you have to make one.