Another passage from that Hitchens book;
QuoteDisplay MoreOur own solipsism, often expressed in diagram or cartoon form, usually
represents evolution as a kind of ladder or progression, with a fish gasping
on the shore in the first frame, hunched and prognathous figures in the
succeeding ones, and then, by slow degrees, an erect man in a suit waving
his umbrella and shouting “Taxi!” Even those who have observed the
“sawtooth” pattern of fluctuation between emergence and destruction,
further emergence and still further destruction, and who have already
charted the eventual end of the universe, are half agreed that there is a
stubborn tendency toward an upward progression. This is no great surprise:
inefficient creatures will either die out or be destroyed by more successful
ones. But progress does not negate the idea of randomness, and when he
came to examine the Burgess shale, the great paleontologist Stephen Jay
Gould arrived at the most disquieting and unsettling conclusion of all. He
examined the fossils and their development with minute care and realized
that if this tree could be replanted or this soup set boiling again, it would
very probably not reproduce the same results that we now “know.”