Governments will always play a huge part in solving big problems. They set public policy and are uniquely able to provide the resources to make sure solutions reach everyone who needs them. They also fund basic research, which is a crucial component of the innovation that improves life for everyone.

We all learn best in our own ways. Some people do better studying one subject at a time, while some do better studying three things at once. Some people do best studying in structured, linear way, while others do best jumping around, surrounding a subject rather than traversing it. Some people prefer to learn by manipulating models, and others by reading.

Two out of every five people on Earth today owe their lives to the higher crop outputs that fertilizer has made possible.

The government is somewhat inept, but the private sector is inept in general. How many companies do venture capitalists invest in that go poorly? By far most of them. However, every once in a while a Google or a Microsoft comes out, so people keep giving them money.

I have a nice office. I have a nice house... So I'm not denying myself some great things. I just don't happen to have expensive hobbies.

The UK is a very international country.

The AIDS is a disease that is hard to talk about.