" To ensure quality, I believed, any person on any team needed to be able to identify a problem and, in effect, pull the cord to stop the line. To create a culture in which this was possible, you needed more than a cord within easy reach. You needed to show your people that you meant it when you said that while efficiency was a goal, quality was the goal. More and more, I saw that by putting people first—not just saying that we did, but proving that we did by the actions we took—we were protecting that culture. On "

― Ed Catmull , Creativity, Inc.: Overcoming the Unseen Forces That Stand in the Way of True Inspiration