The key thing you can do to reduce population growth is actually improve health.

The early personal computers were not very powerful so the idea of feeding their program into a small amount of memory requires immense skill.

If something's expensive to develop, and somebody's not going to get paid, it won't get developed. So you decide: Do you want software to be written, or not?

My parents are very successful, and I went to the nicest private school in the Seattle area. I was lucky. But I never had any trust funds of any kind, though my dad did pay my tuition at Harvard, which was quite expensive.

The media covers what’s new – and millions of people dying is nothing new. So it stays in the background, where it’s easier to ignore. But even when we do see it or read about it, it’s difficult to keep our eyes on the problem. It’s hard to look at suffering if the situation is so complex that we don’t know how to help. And so we look away.

Never before in history has innovation offered promise of so much to so many in so short a time.

America's high schools are obsolete. By obsolete, I don't just mean that they're broken, flawed, or underfunded, though a case could be made for every one of those points. By obsolete, I mean our high schools-even when they're working as designed-cannot teach all our students what they need to know today.