If you can accept defeat and ...

If you can accept defeat and open your pay envelope without feeling guilty, you're stealing.
 George Allen

Quotes from the same author

People of mediocre ability sometimes achieve outstanding success because they don't know when to quit.
 George Allen
Success is what you do with your ability. It's how you use your talent.
 George Allen
The street to obscurity is paved with athletes who perform great feats before friendly crowds. Greatness in major league sports is the ability to win in a stadium filled with people who are pulling for you to lose.
 George Allen
Quit. Most men succeed because they are determined to.
 George Allen
The man who can accept defeat and take his salary without feeling guilty is a thief.
 George Allen