Embrace bad news to learn where you need the most improvement.

The world has been very careful to pick very few diseases for eradication, because it is very tough.

Television is not real life. In real life people actually have to leave the coffee shop and go to jobs.

Contrary to popular belief, I don't spend a whole lot of time following soccer. But as I have traveled around the world to better understand global development and health, I've learned that soccer is truly universal. No matter where I go, that's what kids are playing. That's what people are talking about.

We need to get a broader awareness. People say climate change is really bad, but painting that picture of what you're putting at risk.

Almost every way we make electricity today, except for the emerging renewables and nuclear, puts out CO2. And so, what we're going to have to do at a global scale, is create a new system. And so, we need energy miracles.

Cutting through complexity to find a solution runs through four predictable stages: determine a goal, find the highest-leverage approach, discover the ideal technology for that approach, and in the meantime, make the smartest application of the technology that you already have - whether it's something sophisticated, like a drug, or something simpler, like a bednet.