Software was changing so fast, so unbelievable, that that got very quick adoption.

China adopted a capitalist system in the 1980s, and they went from a 60% poverty rate to 10%.

Effective philanthropy requires a lot of time and creativity - the same kind of focus and skills that building a business requires.

If African farmers can use improved seeds and better practices to grow more crops and get them to market, then millions of families can earn themselves a better living and a better life.

I don't like typing messages on my phone. Some people get used to it.

Over 80% of the poor are people who have small plots of land and grow their own food and they don't grow enough to sell much into the marketplace. So they will be hit hard by the worst in climate. They really get hit hard starting in the 20-year time frame and thereafter.

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