Be Wrong as Fast as You Can

Pixar’s in-house theory is: Be wrong as fast as you can. Mistakes are an inevitable part of the creative process, so get right down to it and start making them. Even great ideas are wrecked on the road to fruition and then have to be painstakingly reconstructed.

Early concept drawing of Woody and Buzz
Early concept drawing of Woody and Buzz

Be Wrong as Fast as You Can –NY Times