My father, who grew up picking olives on the Greek island of Lesbos, was a doctor. So my family expected me to become a physician.

If the risk is fully aligned with your purpose and mission, then it's worth considering.

I'm extraordinarily passionate about the idea of asteroid mining in the future. Asteroids out there, we know them from those that have fallen on the Earth, there is a class of asteroids, sub-class of nickel/iron asteroids, which are 50,000 times more enriched than Platinum mines on earth.

If you stop and you think about everything we hold of value on this planet, metal, minerals, energy, real estate, the things that nations fight wars over. These things are in near infinite quantities out there.

Companies have too many experts who block innovation. True innovation really comes from perpendicular thinking.

An expert is someone who can tell you exactly how it can't be done.

Super-ambitious goals tend to be unifying and energizing to people; but only if they believe there's a chance of success.