Suppose we didn`t agree not to throw a heart in the first round. If, after the start of the match, they insisted that I could not throw the heart on the first round, because I would have accepted before the start of the match that no heart should be thrown on the first round, then act unfairly. Rousssau`s political theory differs from that of Locke and Hobbes in important respects. Rousssau`s collectivism manifests itself most clearly in his development of the «luminous conception» (which he told Denis Diderot) of the general will. . . .