Everything in your business can be outsourced... if you're not emotionally attached to doing it all.

Don't bother doing something unless you're radically different from the competition.

I would not be able to change a sparking plug and I would not be able to fly a spaceship or build a rocket or whatever. But what I am good at doing is finding brilliant people and surrounding myself with brilliant people.

We have a business that some people feel pollutes, and I happen to agree with them. ... And so on the basis of trying to do good and, you know, hopefully turn a profit, what we did was we pledged that we'd put all the profits from our airline business into trying to develop clean fuels.

Allowing my people to have a good work-life balance by working flexibly is very important to me.

At the end, entrepreneurship is not about wearing expensive suits and earning a lot of money. It is all about being true to yourself, to your values in life. Your dreams.

The best advice I ever received? Simple: Have no regrets.