In Memoriam A.H.H. Man and the Natural World Quotes

Tennyson characterizes Nature—the Nature of Darwin's recent Theory of Evolution—as something violent. It's so violent its teeth and claws are red with blood, and it shrieks out against God's "creed" of love.

Here, we get a very simple and short statement on one huge concept of Darwin's: the adaptation of various species to their environments and the survival of those who make the best adaptations.

Here's the Darwinian idea that humans are (so far, anyway) the species that has won the adapting-to-their-environment jackpot and have become the highest form of life. They've moved through the lower phases and are the "result" (which suggests something of a higher nature that has been accomplished).