“Harassment is about power---the undue exercise of power by a superior over a subordinate.”

“Power is neither male or female.”

“The purpose of history is to explain the present - to say why the world around us is the way it is. History tells us what is important in our world, and how it came to be. It tells us what is to be ignored, or discarded. That is true power - profound power. The power to define a whole society.”

“Let's be clear. The planet is not in jeopardy. We are in jeopardy. We haven't got the power to destroy the planet - or to save it. But we might have the power to save ourselves.”

“The internal psychological pressure to make up a story, to explain the ruins before one's eyes, is powerful indeed.”

“Exercise invigorates the body and sharpens the mind.”

“You know what's wrong with scientific power? It's a form of inherited wealth. And you know what assholes congenitally rich people are.”