It is despairing to consider that the cost and reliability of access to space have barely changed since the Apollo era over three decades ago. Yet in virtually every other field of technology, we have made great strides in reducing cost and increasing capability.

Facebook is quite entrenched and has a network effect. It's hard to break into a network once it's formed.

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.

If you had to buy a new plane every time you flew somewhere, it would be incredibly expensive.

I think that's the single best piece of advice: constantly think about how you could be doing things better and questioning yourself.

Silicon Valley has some of the smartest engineers and technology business people in the world.

I want to make rockets 100 times, if not 1,000 times better. The ultimate objective is to make humanity a multiplanet species. Thirty years from now, there'll be a base on the moon and on Mars, and people will be going back and forth on SpaceX rockets.