Doing, not learning to do, is the essence of entrepreneurship.

Pursue joy, not happiness. This is probably the hardest lesson of all to learn. It probably seems to you that the goal in life is to be happy. Oh, you maybe have to sacrifice and study and work hard, but, by and large, happiness should be predictable.

You’ll learn that the key to a great book is editing-grindin g, buffing, and polishing-not writing.

Accept diversity and don't take any crap.

For startups, SM is now crucial: it has never been cheaper and easier to reach one's customers. Entrepreneurs should thank God for Twitter, Facebook.

The telephone operator has one of the biggest roles in creating your organization's image....indeed, many people may come into contact with no one except your operator.

At the end of the day in business, it's not about peer review and getting into a scientific journal. You either increase sales, or not.