Research shows that the wealthier, more educated, and healthier a nation, the less violence and civil unrest among its populace, and the less likely that unrest will spread across its borders.

The best way to become a billionaire is to help a billion people.

By 2020 the U.S. will be short 91,000 doctors. There's no way we can educate enough doctors to make up that shortfall, and other countries are far worse off.

NASA calls stuff nominal instead of phenomenal, like it really is. So I have given up that there is going to be a balance and NASA is going to do certain things and we are finally in a state of existence where small groups of individuals can do extraordinary things, funded by single people.

We have these 100 mms delays, you know, our attention is on our PDA, we're always in a rush. We drive around in these 4,000 pound metal wombs, these 4,000 pound containment systems to protect us from these 6,000 pound cars from smacking us.

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.

Technology is a resource-liberating force!