My dream is that every child has enough food to eat, good medical care, and the chance to go to school and even attend college.

Teaching is the human thing, in terms of building the kids' self-confidence, so if we take the broad ways that we want to see society to be better, science can only provide certain pieces of that.

I don't think I would have spent time learning about the immune system if understanding vaccines weren't something I considered very important.

My innovation message, specifically including energy, happened to be the same week that on Monday and Tuesday I announced the Breakthrough Energy Venture Group. Then on that Tuesday afternoon, in December, was when I sat down with him. I explained the US has great science here, this is where the market for these things is going to be. It connects to less pollution, it connects to U.S. jobs, it connects to security, not needing the energy coming from far away.

When you have a product that has zero sales, it is easy for people to say whatever they want about it and almost fantasize about it.

You're never going to get the amount of CO2 emitted to go down unless you deal with the one magic metric, which is CO2 per kilowatt-hour.

We always overestimate the change that will occur in the next two years and underestimate the change that will occur in the next ten. Don't let yourself be lulled into inaction.