““Another area where limits are invaluable is what we call “appetite control.” In Pixar’s case, when we are making a movie the demand for resources is literally bottomless. Unless you impose limits, people will always justify spending more time and more money by saying, “We’re just trying to make a better movie.” This occurs not because people are greedy or wasteful but because they care about their particular part of the film and don’t necessarily have a clear view of how it fits into the whole. They believe that investing more is the only way to succeed.””