the watchman and the citizen, has the choice between options, of doing one action when they could have done the other. Moreover, this choice has great significance, for in case the citizen is killed moral accountability accrues to the watchman or to the citizen depending on their choices. If anyone hears the trumpet but does not take warning and the sword comes and takes his life, his blood will be on his own head. . . . If he had taken warning, he would have saved himself. But if the watchman sees