I do sculpting sometimes when I have the time, and the first thing I sculpted was a bust of [Albert] Einstein. It still sits on my table and still inspires me. He was a person who triggered my imagination and my ideas.

The system of seeds based on monoculture is wrong and inappropriate. The biodiverse system has produced more food, and biodiversity means that seeds must be in the hands of farmers.

I have a deep connection with Mahatma Gandhi, partly because my mother was a very, very staunch Gandhian and brought us up that way. When I was six years old, and all the girls were getting nylon dresses, I was very keen to get a nylon frock for my birthday. My mother said, “I can get it for you, but would you rather—through how you live and what you wear and what you eat—ensure that food goes into the hands of the weaver or ensure that profits go into the bank of an industrialist?” That became such a checkstone for everything in life.

I absolutely get thrills from taking on these big guys and recognizing how, behind all their power, they are so empty. I just keep going at it. Each of these balloons does deflate. I’ve seen a lot of balloons get deflated in my life.

The idea of engineering is an idea of mastery. And today the role that we are being asked to play is a role based on informed humanity.

We're still eating the leftovers of World War II.

There is now a patent restricting the use of an herb called philantis neruri for curing jaundice. An even more blatant example is the use of turmeric for healing wounds, which is something every mother and grandmother does in every home in India. Now the Mississippi Medical Center claims to have "invented" the capacity of turmeric to heal wounds.