Undisguised clarity is easily mistaken for arrogance.

Darwin gives courage to the rest of science that we shall end up understanding literally everything, springing from almost nothing - a thought extremely hard to comprehend and believe.

Pantheism is sexed-up atheism. Deism is watered-down theism.

People who believe the earth was created 6000 years ago, when it's actually 4.5 billion years old, should also believe the width of North America is 8 yards. That is the scale of the error.

If a healing technique is demonstrated to have curative properties in properly controlled double-blind trials, it ceases to be alternative. It simply, as Diamond explains, becomes medicine.

Charles Darwin made arguably the greatest discovery any human has ever made. He was a man of great persistence. He wasn't probably a natural genius, he worked very hard - even though he was an invalid. He was a great family man, a very nice man. I think he was admirable in all sorts of ways.

Such delusions of grandeur to think that a God with a hundred billion galaxies on his mind would give a tuppenny damn who you sleep with, or indeed whether you believe in him.