When it comes to public school education, we have been unwilling to measure our results. We've been unwilling to pay based on performance. We have tenure where, even if you can't teach, you can't get fired. We've been unwilling to invest in new schools.

I never liked anyone who didn't have a temper. If you don't have a temper, you don't have any passion.

[ Bernie Sanders' popularity] is exactly the same as Donald Trump's.It is a bunch of people who are disaffected with what the establishment has done, and they are striking out. Do they have any clear idea of what they want as an alternative? No. The candidates that they have surrounded themselves with either have no idea or are promising things that are so impractical they will never get done.

Someone once described the information business as exactly the opposite of sex. When it's good, it's still lousy.

You can buy almost anything anyplace in the world. You can get it delivered in 24 hours. You can pay for it on credit or just by swiping something. So, I don't know that the world is worse off, in that context, than before.

I'm worried about the world because there's chaos in the Middle East, and I think the Iranian deal [to lift sanctions] is going to continue the Shia-Sunni battles, the Persian-Arab battles.

Despite its potential, the federal government has restricted funding for creating new cell lines - putting the burden of any future research squarely on the shoulders of the private sector. Government's most basic responsibility, however, is the health and welfare of its people, so it has a duty to encourage appropriate scientific investigations that could possibly save the lives of millions.