Bad news sells because the amygdala is always looking for something to fear.

Space is not a two-year objective. It used to be, in the early '60's, we had this eye candy of Mercury and Gemini and Apollo and every year we would do something more and more and it met those needs. But the easy stuff has been done.

The world's biggest problems are the world's biggest business opportunities.

If you can make a big impact on the global literacy problem, you can uplift a big portion of society.

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 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.

The idea of a young thin woman who weighs 100 pounds driving herself around in a 4,000 pound SUV is laughable.