A first-generation fortune is the most likely to be given away, but once a fortune is inherited it's less likely that a very high percentage will go back to society.

Good developers like seeing their products sell in large quantities. They enjoy the competition of doing a better job than the other company, especially if the other company has more people on the project and they're entrenched and people are saying that we don't have a chance of getting in there and... and doing well.

You can be a business thinker.

Almost every way we make electricity today, except for the emerging renewables and nuclear, puts out CO2. And so, what we're going to have to do at a global scale, is create a new system. And so, we need energy miracles.

We really have to work hard to remind people even though this is far away, that's it's probably the most generous thing governments have ever come together to do. Since World War II, this new institution is the only one that's emerged and is saving all these lives.

Convert bad news to good news.

Nigeria has moved into low-middle-income, but their north is very poor, and the health care systems there have broken down.