If someone is always to blame, if every time something goes wrong someone has to be punished, people quickly stop taking risks. Without risks, there can't be breakthroughs.

Eight billion people will have Internet access by 2020.

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.

Stuff goes wrong. Expect it, learn from it, fix it. That's how remarkable happens.

The thing about frontiers, it allows the individuals who are best, whether they're men or women or minorities or whatever, to step to the top. So in traditional societies, old world societies, in the United Kingdom if you would; if you were born into the right stratus, the right class, you had the ability to succeed.

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.

I ended up realizing that NASA was unlikely to get me into space, or get me to the moon or beyond, and I needed some other way to drive this.