My fascination is broadly with biology and the fact that our increased understanding of biology allows for breakthroughs in a broad set of diseases.

Unemployment rates among Americans who never went to college are about double that of those who have a postsecondary education.

I remember in 1980 or 1981 looking at a list of people who had made a lot of money in the computer industry and thinking, Wow, that's amazing. But I never thought I'd be on that list. It's clear I was wrong. I'm on the list, at least temporarily.

Scientists and companies weren't creating things like new vaccines. Now that we have this fund that's there to buy at the lowest price, but buy for those people these medicines, we see scientists everywhere coming up with those new tools.

Setting clear goals and finding measures that will mark progress toward them can improve the human condition.

Paul and I, we never thought that we would make much money out of the thing. We just loved writing software.

There's 20 companies that I have investments in - some batteries, some solar-thermal, one big nuclear thing. We need hundreds and hundreds of companies like that, so that in a 20-year time frame we really are starting to change the energy infrastructure.