The public knows that human beings are fallible. Only people blinded by ideology fall into the trap of believing in their own infallibility.

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

That's the beautiful thing about science - that it's all about things we don't understand, not just the things we do understand.

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.

The idea that global warming is the most important problem facing the world is total nonsense and is doing a lot of harm.

People who travel in China tell me that the mood there is still very upbeat, because their media is different from our media. Chinese media emphasize how well things are going and suppress the bad news and publish the good news.

We won't really understand the brain until we can make models of it which are analog rather than digital, which nobody seems to be trying very much.