The downside of my celebrity is that I cannot go anywhere in the world without being recognised. It is not enough for me to wear dark sunglasses and a wig. The wheelchair gives me away.

There are unknown forces in nature; when we give ourselves wholly to her, without reserve, she lends them to us; she shows us these forms, which our watching eyes do not see, which our intelligence does not understand or suspect.

Sustainability is not just about technology, it's about creating a whole new ecosystem.

Perhaps you are overvaluing what you don’t have and undervaluing what you do.

Innovation is not a slogan, but a continuous breakthrough in every detail.

We must challenge conventional thinking to accelerate progress toward net-zero goals.

The biggest advantage to winning the Nobel Prize is not having to worry about parking tickets.

Success is a series of small wins.