Our freedom to doubt was born out of a struggle against authority in the early days of science. It was a very deep and strong struggle: permit us to question - to doubt - to not be sure. I think that it is important that we do not forget this struggle and thus perhaps lose what we have gained.

'What Do You Care What Other People Think?': Further Adventures of a Curious Character (ed. Penguin UK, 2007) - ISBN: 9780141937588