“The big challenge is, we have to constrain and mold our ambition level without losing the spark. The stuff I lose sleep over nigh is, how are we doing on this? We want to make progress as fast as possible without exploiting human resources. How do you move faster without killing people? How do you build a community around the project without losing design integrity? And how do we get on an arc that moves from benign dictatorship to more small-group democracy?”