In American math classes, we teach a lot of concepts poorly over many years. In the Asian systems they teach you very few concepts very well over a few years.

Imagine, just for the sake of discussion, that you had a few hours a week and a few dollars a month to donate to a cause - and you wanted to spend that time and money where it would have the greatest impact in saving and improving lives. Where would you spend it?

The US spends more on energy R&D than all other countries put together, and I personally consider it quite inadequate. In fact, I would have said we should more than double it, if I thought the absorptive capacity could scale up and if it was actually possible to get to that level.

Billionaires should never be responsible for solving problems, because they're not the government.

The 'Billionaire' song is what my kids tease me with. They sing it to me. It's funny.

Exposure to the reproductions [of Corbis-owned fine art photographs] is likely to increase rather than diminish reverence for the real art and encourage more people to get out to museums and galleries.

We need to cooperate globally on epidemic preparedness and prevention in the same way we are cooperating globally to stop people from getting nuclear weapons.