Leaders are those who empower others.

It's fine to celebrate success but it is more important to heed the lessons of failure.

If I had a dollar for every time someone made fun of me in high school-oh wait, I do!

The power of capitalism to mediate the gap between rich and poor is pretty incredible. Indeed, I think, year by year, the gap gets less.

Learn from your unhappy customers.

I think we knew that this would be just like raising the kids together, this would be a fun thing to do in partnership. And you know, we're so lucky because we get to hire in very smart people. We get to partner with governments like the Canadian Development Organization - CIDA, USAID - tonnes of scientists doing this work. This is fascinating.

When you have a fortune that is almost hard to imagine, the best thing is not to pass that on to one's children. That distorts their life situation.