They gave 12 monkeys a typewriter for a week, and after a week, they only used it as a bathroom.

Once you start looking at the world rationally, it becomes much more exciting.

We very quickly forget about the wonderful things we've got. People lose their excitement because there's too much. Basically we're experiencing nothing, because everything is available to us.

I have a theory that evolutionary biologists are more vain than particle physicists.

I'm glad the universe is pointless. It means if I get to the end of my life, the universe can't turn to me and go, 'What have you been doing, you idiot? That's not the point!

Homeopaths do not have a physical brain, but merely 'skull water' with the memory of brains.

My life is constant revision but it's not revision, a lot of it is for the first time.