When I find too many puzzles about the way explanations are given about why there is inequality - why people who work the hardest in the world end up being the poorest - I can't just sit back and not try to understand why the gaps between people are increasing, or why there are so many homeless and hungry people in the world.

Uniformity is not nature's way; diversity is nature's way.

That amazing power of being able to stand with total courage in the face of total power and not be afraid. That is stri shakti.

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.

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."

We are either going to have a future where women lead the way to make peace with the Earth or we are not going to have a human future at all.

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.