We've done some good work, but all of these products become obsolete so fast... It will be some finite number of years, and I don't know the number —… - Bill Gates

The moral systems of religion, I think, are superimportant. We've raised our kids in a religious way; they've gone to the Catholic church that Melinda goes to and I participate in. I've been very lucky, and therefore I owe it to try and reduce the inequity in the world. And that's kind of a religious belief. I mean, it's at least a moral belief.

India is an example of a country where there's plenty of things that are difficult there -- the health, education, nutrition is improving and they are stable enough and generating their own government revenue enough that it's very likely that 20 years from now people will be dramatically better off and it's kind of a laboratory to try things that then when you prove them out in India, you can take to other places.
And so our biggest non-US office for the Foundation is in India and the most number of pilot roll out things we're doing anywhere in the world are with partners in India.
If you go there and you've never been you might think whoa this is a chaotic place and you know you're not used to so many levels of income all being on the street at the same time but you will get a sense of vibrancy.

The only way you can get to the very positive scenario [in the fight against climate change] is by great innovation. Innovation really does bend the curve.