There's a unique thing about the UK, where you give a very generous foreign aid budget to support globally, which is spent wisely. We partner with the government here to make sure that that money is spent well.

I think any statement about stock prices is always suspect unless it's made by Warren Buffett.

Software will get to be somewhat more mature, ah, but it will never be as predictable as most areas of engineering.

There certainly is a case to be made that taxes should be more progressive.

Vaccination is one of the easiest things on the way to development. It's much easier than roads and a great education system. It's very basic. It's one of the first things you want to get right.

The world is progressing and resources are becoming more abundant. I'd rather go into a grocery store today than a king's banquet a hundred years ago.

There's a lot that can be done for people who are using technology in a better way.