Zoos are becoming facsimiles - or perhaps caricatures - of how animals once were in their natural habitat. If the right policies toward nature were pursued, we would need no zoos at all.
Because most people are not sufficiently employed in themselves, they run about loose, hungering for employment, and satisfy themselves in various supererogatory occupations. The easiest of these occupations, which have all to do with making things already made, is the making of people: it is called the art of friendship.