"We know from the truths of evolution and ecology that we are all related and interdependent. Anthropomorphism (crediting animals with human emotions and traits) is, however, outdated. Rather we know that we are like animals."

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The Anti-Vivisector does not deny that physiologists must make experiments and even take chances with new methods. He says that they must not seek knowledge by criminal methods, just as they must not make money by criminal methods. He does not object to Galileo dropping cannon balls from the top of the leaning tower of Pisa; but he would object to shoving off two dogs or American tourists.

— George Bernard Shaw