If you're smart, you often want a feedback loop so you know if what you've done is... is right.

Sorghum is kind of unusual. It can go to very high heats, but it's not as productive in most environments as maize is.

I considered law and math. My Dad was a lawyer. I think though I would have ended up in physics if I didn't end up in computer science.

The only definition by which Americas best days are behind it is on a purely relative basis.

Long-term vision and product strategy.

The world is very disparate, in terms of the US using the most energy per person, and then the other rich countries - Europe, Japan, New Zealand - using about half of what we do, and then the world average being about a fifth of what we use, with China just now surpassing the world average.

Well, I don't think there's any need for people to focus on my career.