Online education is pretty special for two reasons. One is that you can get the very best lecture in the world and wherever you are, whenever you want, you can connect to that lecture. The other is this interactivity, where if you know a topic, you can kind of skip over it. Or if you're confused about it, [the area] where you're confused can be analyzed by software.

Even for the diseases we don't focus on, cancer, heart disease, you're going to be way better off being sick 10 years from now than any time in the past.

The Internet? We are not interested in it

We make the future sustainable when we invest in the poor, not when we insist on their suffering.

Anyone who spends their life on a computer is pretty unusual.

Creating a piece of software is always complicated because you're doing something new. If you just wanted something that had been done before you'd just use that old piece of software. So there are no repetitive tasks.

If your business is not on the Internet, then your business will be out of business.