Quote by John Carmack

"Focus is a luxury for people who can afford to give up opportunities."

"The most important thing is the way you fall."

"Ideas are worthless. Execution is everything."

"It is inevitable that we will leave some bugs for the next guy."

"The best part of living is knowing you survived."

"The world needs heroes."

"Life is too short to live poorly."

"I'd rather be an optimist and be wrong than a pessimist and be right"