Scepticism is as important for a good journalist as it is for a good scientist.

Nothing is boring if you look at carefully.

I think it's much better to have your eyes open, but on the other hand, of course it can do harm if you tell people look, there's all these terrible things you can do and then some idiot may go ahead and do it.

When the great innovation appears, it will almost certainly be in muddled, incomplete and confusing form. ... For any speculation which does not at first glance look crazy, there is no hope.

Of course, the English countryside is completely artificial. It was naturally a forest; they chopped down the trees and made it into what it is now: really a beautiful country.

The fact that the climate is getting warmer doesn't scare me at all. There's no reason why one should be scared.

Younger people have so many opportunities. I don't see any pessimism among them.