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."

"Success comes to those who never give up."

"Success is measured by happiness, not money."

"You make your own luck in this world."

"You have to be organized to be successful in anything."