Africa is on the rise.

Security is, I would say, our top priority because for all the exciting things you will be able to do with computers - organizing your lives, staying in touch with people, being creative - if we don't solve these security problems, then people will hold back.

I think it makes sense to believe in God, but exactly what decision in your life you make differently because of it, I don't know.

We're focused on providing innovations in software, driving the continuous improvement for a much better experience, and there's a lot going on here that speaks to this decade and what's going to happen in this decade. We can kind of sum it up in terms of saying, "Yes, you can."

Whenever there is hard work to be done, I assign it to the laziest man as he is sure to find an easy way of doing it. Be lazy, think crazy.

The concept of this so-called "TerraPower reactor" is that you, in the same reactor, you both burn and breed. So, instead of making plutonium and then extracting it, we take uranium - the 99.3 percent that you normally don't do anything with - we convert that, and we burn it.

[We in Microsoft] are not the only software company but we are a great software company doing some unique work.