"There could conceivably be circumstances in which an experiment on an animal stands to reduce suffering so much that it would be permissible to carry it out even if it involved harm to the animal... [even if] the animal were a human being."

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Once people spend time with farm animals in a loving way ... a pig or cow or a little chicken or a turkey, they might find they relate with them the same way they relate with dogs and cats. People don't really think of them that way because they're on the plate. Why should they be food when other animals are pets? I would never eat my doggies.

— Alicia Silverstone