If it is asserted that civilization is a real advance in the condition of man,--and I think that it is, though only the wise improve their advantages,--it must be shown that it has produced better dwellings without making them more costly; and the cost of a thing is the amount of what I will call life which is required to be exchanged for it, immediately or in the long run.
Henry David ThoreauThe perch swallows the grub-worm, the pickerel swallows the perch, and the fisherman swallows the pickerel; and so all the chinks in the scale of being are filled.
Henry David ThoreauI have no doubt that it is part of the destiny of the human race in its gradual improvement, to leave off eating animals.
Henry David Thoreau