" We put together a plan, stating how long things would take and what they would cost. We told him that if he wanted the car in thirty days it would require hiring some new people, and we presented him with a stack of resumes. You don’t tell Elon you can’t do something. That will get you kicked out of the room. You need everything lined up. After we presented the plan, he said, ‘Okay, thanks.’ Everyone was like, ‘Holy shit, he didn’t fire you. "
― Ashlee Vance , Elon Musk: Tesla, SpaceX, and the Quest for a Fantastic Future