The first five years have so much to do with how the next 80 turn out.

Energy innovation is not a nationalistic game.

I believe that every life is valuable. That we can make things better. That innovation is the key to a bright future. That we're just getting started.

Climate change is a terrible problem, and it absolutely needs to be solved. It deserves to be a huge priority.

There is no author whose books I look forward to more than Vaclav Smil.

If you withdraw the incredible focus on polio, it will spread back, and in poor countries you'll get something like 100,000 cases a year. So by being very intense and getting the cases down to zero, what you do is you avoid all the future cases.

I went to a public school through sixth grade, and being good at tests wasn't cool.