He hears the cry of His suffering children and will not fail to come to their relief. In all the past, man's extremity has been God's opportunity. Relief has come at unexpected times and by ways that were not known. Sometimes by means that were insignificant and inadequate in order to show that it was not by human might or power; sometimes by the faith of one humble believer.
This writer has been familiar with the story of David and Goliath from his infancy. To him, Mammon, whose head is usury, is the giant Philistine who now stalks forth to defy "the armies of the living God," and with a grain of David's faith, he flings this stone.