A lot of what is most beautiful about the world arises from struggle.

When you're an underdog, you're forced to try things you would never otherwise have attempted.

There will be statues of Bill Gates across the Third World. There's a reasonable shot that - because of his money - we will cure malaria.

I think that persistence and stubbornness and hard work are probably, at the end of the day, more important than the willingness to take a risk.

In the act of tearing something apart, you lose its meaning.

It changes how people read you if you believe in God. It gives insight into your motivation, how you look at problems and how you deal with people.

Ideas and products and messages and behaviors spread just like viruses do.