The U.S. immigration laws are bad - really, really bad. I'd say treatment of immigrants is one of the greatest injustices done in our government's name.

The more you learn, the more you have a framework that the knowledge fits into.

When you program, you want to think you're writing the best possible program for the... for the task you're trying to solve.

I have a particular relationship with Vinod Khosla because he's got a lot of very interesting science-based energy startups.

The world today has 6.8 billion people...that's headed up to about 9 billion. If we do a really great job on vaccines, health care, reproductive health services, we could lower that by perhaps 10 to 15 percent.

Capitalism has worked very well. Anyone who wants to move to North Korea is welcome.

What are the top 20 universities in the world that do good materials research that might create carbon fibers to do jet stream kites or new magnets that will allow [energy] generation to be done up there and you just bring the electricity down. You either have to bring down rotational energy, which is hard, or you have to have the generator up there and bring down the electricity. Well, putting the generator up there is hard to do because it's too heavy.