Innovation is a good thing. The human condition - put aside bioterrorism and a few footnotes - is improving because of innovation.

I agree with people like Richard Dawkins that mankind felt the need for creation myths. Before we really began to understand disease and the weather and things like that, we sought false explanations for them. Now science has filled in some of the realm – not all – that religion used to fill.

In software you can't really add people and expect to get more done, because their ability to understand the program and what's going on it would require so much investment and all their work would require so much review that you'd be more likely to slow things down.

My wife thinks she's better than me at puzzles. I haven't given in on that one yet.

Vaccination is pretty special because you can do a vaccination campaign anywhere in the world. All you are doing is gathering women from the villages, getting them the vaccines and asking them to go around and find the children.

I want to make clear that we respect the role of government in our legal andeconomic system.

We're in a period of uncertainty about [Donald Trump] administration policies and the range of what might happen is particularly higher. I don't think that these R&D and innovation budgets will be substantially reduced.