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 ShawThose who talk most about the blessings of marriage and the constancy of its vows are the very people who declare that if the chain were broken and the prisoners left free to choose, the whole social fabric would fly asunder. You cannot have the argument both ways. If the prisoner is happy, why lock him in? If he is not, why pretend that he is?
George Bernard ShawCivilized society is one huge bourgeoisie: no nobleman dares now shock his greengrocer.
George Bernard Shaw