The U.S. and Canada are two generous governments and we reach out and partner with anyone who believes in foreign aid.

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.

Ninety percent of the cases of polio are in security-vulnerable areas.

When AIDS emergency broke out and was killing millions in Africa, the Global Fund was created so that a level of generosity would show up and buy the medicines to save those lives.

I'm not a macroeconomics person.

Having kids has been a fantastic thing for me. It's meant that I'm a little more balanced. In my twenties I worked massively, hardly took vacation at all. Now, I, with the help of my wife, I'm always making sure I've got a good balance of how I spend my time.

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