"THE GALLERIES ARE FULL OF CRITICS. THEY PLAY NO BALL. THEY FIGHT NO FIGHTS. THEY MAKE NO MISTAKES BECAUSE THEY ATTEMPT NOTHING. DOWN IN THE ARENA ARE DOERS. THEY MAKE MISTAKES BECAUSE THEY TRY MANY THINGS. THE MAN WHO MAKES NO MISTAKES LACKS BOLDNESS AND THE SPIRIT OF ADVENTURE. HE IS THE ONE WHO NEVER TRIES ANYTHING. HE IS THE BREAK ON THE WHEEL OF PROGRESS. AND YET IT CANNOT BE TRULY SAID HE MAKES NO MISTAKES IN THE VERY FACT THAT HE TRIES NOTHING, DOES NOTHING, EXCEPT CRITICIZE THOSE WHO DO THINGS."
 
David M. Shoup
General, U.S. Marine Corps