Now, we put out a lot of carbon dioxide every year, over 26 billion tons. For each American, it's about 20 tons. For people in poor countries, it's l….

I actually thought that it would be a little confusing during the same period of your life to be in one meeting when you're trying to make money, and….

Corruption is one of the most common reasons I hear in views that criticize aid..

In a system of capitalism, as people's wealth rises, the financial incentive to serve them rises. As their wealth falls, the financial incentive to s….

In my 20s, I worked very, very hard. I have a much more balanced life now..

Common Core is a big win for education..

How much further beyond basic research the role of the government should be, you could have a really good debate about it. Almost nobody would say it….

Ridiculous sums of money can be confusing..

It’s been proven that of all the interventions to reduce poverty, improving agricultural productivity is the best..

The difference between a stranger sending you a message that you might be interested in at a very low volume level, no repetition, just sending it to….

In programming when you're making a change you have to know all the affected places, and you have to be able to model in your head what the performan….

The US really has to get out in front. We are the biggest per person, by a substantial amount, greenhouse emitters, and we give the most foreign aid,….

The part of uranium that's fissile - when you hit it with a neutron, it splits in two - is about 0.7%. The reactors we have today are burning that 0.….

I think there certainly was a milestone in the '90s with regards to the Internet achieving critical mass. There were several magical factors that cam….

Hey, size works against excellence..

Vision without execution is daydreaming..

If you're too focused on your current business, it's hard to change and concentrate on innovating..

Only through focus can you do world-class things, no matter how capable you are..

On the supply side, for innovation, you'd say, go look at those R&D budgets, and they haven't moved in the last 20 years. In the case of the US - whi….

The flatter the corporate hierarchy, the more likely it is that employees will communicate bad news and act upon it..

If you mess up, it's not your parents' fault, so don't whine about your mistakes, learn from them..