Actively seek out and listen carefully to negative feedback.

Any product that needs a manual to work is broken.

That's my lesson for taking a vacation: vacation will kill you.

You need to live in a dome initially but over time you could terraform Mars to look like Earth and eventually walk around outside without anything on. ... So it's a fixer-upper of a planet.

We have this handy fusion reactor in the sky called the sun, you don't have to do anything, it just works. It shows up every day.

Well, my motivation behind Tesla is really to do as much good as possible for the environment and the electric-vehicle revolution. I think there is still a lot of work to do and if we were to sell to a big company, I'm not sure it would progress at the same pace.

Focus on something that has high value to someone else, be really rigorous in making that assessment, because natural human tendency is wishful thinking, so the challenge to entrepreneurs is telling what's the difference between really believing in your ideals and sticking to them as opposed to pursuing some unrealistic dream that doesn't actually have merit, be very rigorous in your self analysis, certainly being extremely tenacious, and just work like hell. Put in 80-100 hours every week. All these things improves the odds of success