What gambler would be crazy enough to play roulette with random evolution? The probability of dust carried by the wind reproducing Durer’s “Melancholia” is less infinitesimal than the probability of copy errors in the DNA molecule leading to the formation of the eye; besides, these errors had no relationship whatsoever with the function that the eye would have to perform or was starting to perform. There is no law against daydreaming, but science must not indulge in it.