"We are all born into families and cultures we didn't choose, given names we didn't pick, instructed in behaviour and values we might not have freely chosen, and too often we end up expected to live lives designed by others."

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You do not settle whether an argument is justified by merely showing that it is of some use. The distinction is not between useful and useless experiments but between barbarous and civilized behaviour. Vivisection is a social evil because if it advances human knowledge, it does so at the expense of human character.

— George Bernard Shaw