A designer knows he has achieved perfection not when there is nothing more to add, but when there is nothing left to take away.
It really does take a lot of courage to cut down features and “get rid of the crap,” but if you can, you come to the following realization:
People think focus means saying yes to the thing you’ve got to focus on. But that’s not what it means at all. It means saying no to the hundred other good ideas that there are. You have to pick carefully. I’m actually as proud of the things we haven’t done as the things I have done.