The key to success is not just in making a product, but in understanding the people who use it.

"The world is full of obvious things which nobody by any chance ever observes."

The future of energy is diverse—no single source will dominate.

That's exhilarating if you're doing well, and very crushing if you're not. It leads, in the worst cases -- in the analysis of a sociologist like Emil Durkheim -- it leads to increased rates of suicide. There are more suicides in developed, individualistic countries than in any other part of the world. And some of the reason for that is that people take what happens to them extremely personally -- they own their success, but they also own their failure.