I have always loved the competitive forces in this business. You know I certainly have meetings where I spur people on by saying, "Hey, we can do better than this. How come we are not out ahead on that?" Thats what keeps my job one of the most interesting in the world.

We're only at the beginning of what we have to do here.

Today, we're very dependent on cheap energy. We just take it for granted - all the things you have in the house, the way industry works.

Being maniacal about something is very helpful.

My parents are very successful, and I went to the nicest private school in the Seattle area. I was lucky. But I never had any trust funds of any kind, though my dad did pay my tuition at Harvard, which was quite expensive.

If you're using first-class land for biofuels, then you're competing with the growing of food. And so you're actually spiking food prices by moving energy production into agriculture.

It is hard to sell Congress and the American people on foreign aid. Is it harder to do that than it is to sell billionaires on the idea that they should give all their money away.