If your plane is being hijacked by an armed man who, though prepared to take risks, presumably wants to go on living, there is room for bargaining.

When you plant a fertile meme in my mind you literally parasitize my brain, turning it into a vehicle for the meme's propagation in just the way that a virus may parasitize the genetic mechanism of a host cell.

Scientific truth is too beautiful to be sacrificed for the sake of light entertainment or money. Astrology is an aesthetic affront. It cheapens astronomy, like using Beethoven for commercial jingles.

I am passionate about truth and passionate about clarity, and I don't regard myself as particularly militant or aggressive. I simply wish to discuss what is true and to listen to evidence and put evidence forward to other people and have a sensible, sane, moderated argument.

Religion has been a powerful weapon in the hands of governments, in the hands of priests, in the hands of kings who have used it as a weapon to keep down the populace. It is a wonderful way of disciplining people and making them do what you want, to tell them that if they don't do what you want they will, for example, go to Hell.

Let's get up off our knees, stop cringing before bogeymen and virtual fathers, face reality, and help science to do something constructive about human suffering.

How any government could promote the Vardy academies in the North-East of England is absolutely beyond me. Tony Blair defends them on grounds of diversity, but it should be unthinkable in the 21st century to have a school whose head of science believes the world is less than 10,000 years old.