So far from a gradual progress towards perfection forming any necessary part of the Darwinian creed, it appears to us that it is perfectly consistent with indefinite persistence in one state, or with a gradual retrogression. Thomas Henry Huxley
As man is truly "humanised”, not by schools of cookery but by schools of thought, he will abandon the barbarous habit of his flesh-eating ancestors, and will make gradual progress towards a purer, simpler, more humane, and therefore more civilised diet-system. Henry Stephens Salt