If you get up in the morning and think the future is going to be better, it is a bright day. Otherwise, it’s not.

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.

Don’t just follow the trend. You may have heard me say that it’s good to think in terms of the physics approach of first principles. Which is, rather than reasoning by analogy, you boil things down to the most fundamental truths you can imagine and you reason up from there.

It's a fixer-upper of a planet but we could make it work.

People will buy the car just because it's a great car. We want them to think it's excellent value for money and then, oh yeah, it happens to be electric.

People work better when they know what the goal is and why. It is important that people look forward to coming to work in the morning and enjoy working.

If you think back to the beginning of cell phones, laptops or really any new technology, it's always expensive.