In this form, the theory clearly admits of opposite interpretations. It may be held that the people, having given itself up once for all to its rulers, has nothing more to ask of them, and is bound to submit to any usage they may choose to inflict. This, however, is not the implication most usually drawn from it. The theory, in this form, originated with theologians who were also lawyers. Their view of a contract implied mutual obligations; they regarded the ruler as bound, by its terms, to govern constitutionally. The old idea that a king must not violate the sacred customs of the realm passes easily into the doctrine that he must not violate the terms of the original contract between himself and his people. Just as in the days of the Norman kings, every appeal on the part of the people for more liberties was couched in the form of a demand that the customs of the “good old times” of Edward the Confessor should be respected, so in the seventeenth century every act of popular assertion or resistance was stated as an appeal to the king not to violate the contract. The demand was a good popular cry, and it seemed to have the theorists behind it. Rousseau gives his refutation of this view, which he had, in the “ Discourse on Inequality