chapter  X
The Rules of Custom Defined and Classified
Pages 5

First of all, if the rules of custom are obeyed by the savage through sheer inability to break them, then no definition can be given of law, no distinction can be drawn between the rules of law, morals, manners, and other usages. For the only way in which we can classify rules of conduct is by reference to the motives and sanctions by which they are enforced. So that with the assumption of an automatic obedience to all custom, anthropology has to give up any attempt at introducing into the facts order and classification, which is the first task of science.