"The great secret that all old people share is that you really haven't changed in seventy or eighty years. Your body changes, but you don't change at all. And that, of course, causes great confusion."

The world needs energy, and our job is to provide it responsibly.

Inflation is the mechanism that can make the universe flat, homogeneous, and isotropic.

衡量一个人的标准是他如何运用权力。