We can’t delude ourselves into thinking that anything we or any other business does is “sustainable”. The best we can do is minimize the harm we do to the planet. We’ll do what we can to clean up our own house and convince other businesses and suppliers to use cleaner energy and more responsible materials, but it’s a never-ending summit. The work is never done.

For a serious writer seriously concerned about any moral, social, political, environmental issues, it is a major concern. I’ve been wrestling with it ever since I was 18.

Well, I think the most single important issue today is to make sure that nuclear weapons will not proliferate beyond the eight, or nine, countries that already have nuclear weapons; and absolutely make sure that none of these nuclear weapons or this nuclear material will fall into the hands of any extremist or terrorist group, because if they got hold of this material, they would use it. That would be the beginning of the end for civilisation as we know it.

We still don’t understand the way a protein folds the way it does. I mean it’s an amazing thing.

I was very shy, but I knew that this lady was special,…So I had enough nerve to ask for her phone number.

Wonder Why would say, 'Why is the sky blue?'…Then Wonder Why would tell you. I was fascinated, because I wanted to know how things worked ... that was my introduction to science.

I invented optical levitation.

I can be cranky,

I want to take Aline to a good restaurant, and we'll have a good meal,

Wonder Why would say, 'Why is the sky blue?'…Then Wonder Why would tell you. I was fascinated, because I wanted to know how things worked ... that was my introduction to science.