I didn't leave physics because of boredom. I left it because other issues compelled me in a bigger way. And I always say to myself, "When I'm 60, I'd like to go back to what I interrupted."

In civilizational issues you don't look at the tiny details as the debate. You have to look at the big picture!

I did my masters in elementary particles. But the foundations of elementary particles is quantum theory and there were too many conceptual problems around quantum theory that I couldn't live with. So I decided I was going to work on the foundations of quantum theory. That's what I did my Ph.D on.

The occupation of America (and Columbus's arrival quite clearly was an occupation, no one can deny that) meant that the entire history of the Native Americans was rendered invisible. The land could only be occupied if it was first defined as empty. So it was defined as a wilderness, even though it had been used by native people for millennia.

I do have fun. Even when I’m fighting I’m enjoying it: I think there’s nothing as exhilarating as protecting that which you find precious.

It's a phenomenon that started in the United States in which corporations make claims on the life forms, biodiversity and innovations of other cultures by applying for patents on them.

American firms are beginning to reproduce nonsustainable systems, to force the elite of India to become energy consumers of the kind that the U.S. has become. That’s what globalization is about: Find markets where you can.