Your most unhappy customers are your greatest source of learning.

Failing to plan is planning to fail.

If you’ve got an idea, start today. There’s no better time than now to get going. That doesn’t mean quit your job and jump into your idea 100% from day one, but there’s always small progress that can be made to start the movement.

If you ain’t making waves, you ain’t kickin’ hard enough

If you cannot do great things, do small things in a great way.

There is only one way to avoid criticism: Do nothing, say nothing, and be nothing.

To never forget that the most important thing in life is the quality of life we lead

I learned not to worry so much about the outcome, but to concentrate on the step I was on and to try to do it as perfectly as I could when I was doing it.

Lend your friend $20, if he doesn’t pay you back then he’s not your friend. Money well spent

Success is a lousy teacher. It seduces smart people into thinking they can’t lose.

You miss 100 percent of the shots you don’t take.

Don't bunt. Aim out of the ballpark.

Leaders don’t force people to follow, they invite them on a journey.

Teachers open the door. You enter by yourself.

People who succeed have momentum. The more they succeed, the more they want to succeed, and the more they find a way to succeed. Similarly, when someone is failing, the tendency is to get on a downward spiral that can even become a self-fulfilling prophecy.

Fall seven times, stand up eight

Associate yourself with people of good quality, for it is better to be alone than in bad company

The future belongs to those who believe in the beauty of their dreams.

Keep on going, and the chances are that you will stumble on something, perhaps when you are least expecting it. I never heard of anyone ever stumbling on something sitting down.

When times are bad is when the real entrepreneurs emerge.