Christopher Hitchens was a great warrior, a magnificent orator, a pugilist and a gentleman. He was kind, but he took no prisoners when arguing with idiots.

A guided missile corrects its trajectory as it flies, homing in, say, on the heat of a jet plane's exhaust. A great improvement on a simple ballistic shell, it still cannot discriminate particular targets. It could not zero in on a designated New York skyscraper if launched from as far away as Boston.

As Darwin himself was at pains to point out, natural selection is all about differential survival within species, not between them.

Richard Dawkins Quotes