Focused, hard work is the real key to success. Keep your eyes on the goal, and just keep taking the next step towards completing it. If you aren't sure which way to do something, do it both ways and see which works better.
A lot of the work at Oculus has gone into working out better position tracking.
A strong team can take any crazy vision and turn it into reality.
The core of what I do is solve problems, whether that's in graphic engine flow or rockets. I like working on things that are going to have an impact one way or the other.
Rocket science has been mythologized all out of proportion to its true difficulty.
I've said before that I'm a remarkably unsentimental person.