If you really want to find out what you're capable of, you cannot put limits on yourself, and you definitely cannot be cautious.

Perfectionism is simply putting a limit on your future. When you have an idea of perfect in your mind, you open the door to constantly comparing what you have now with what you want. That type of self criticism is significantly deterring.

Superstars think like superstars long before the fans or the press anoint them.

Arrogant S.O.B.s run the world. A performer can never have too much self-confidence. The best in every field are likely to strike most people as irrationally confident, but that's how they got to the top.

We must not sit down and wait for miracles. Up and be going!

cross that person off your invitation list.

Overachievement is aimed at people who want to maximize their potential. And to do that, I insist you throw caution to the wind, ignore the pleas of parents, coaches, spouses, and bosses to be "realistic."