Which is your favorite quote and why?

“No matter how good you can get you can always get better and that’s the exciting part.” –Tiger Woods

I don't know the key to success, but the key to failure is trying to please everybody."-Bill Cosby

"You are never strong enough that you don't need help."- Cesar Chavez

"It is better to look ahead and prepare than to look back and regret." -Jackie Joyner-Kersee

"Your regrets aren't what you did, but what you didn't do. So I take every opportunity." -Cameron Diaz