To preach a social gospel without the redemptive background of the individual salvation from sin of the individual sinner is like launching a glider instead of a high-powered plane. A glider may soar for awhile on the fickle currents of the wind, and climb high on some sudden up-draft, but it is the four whirl-wind motors that will carry a bomber to the stratosphere and jet-propulsion and rockets that will take a plane beyond the speed of sound.