Shailer Mathews, dean of the University of Chicago Divinity School and advocate of the Social Gospel movement, warned, “A religion that cannot meet the deepest longings of restless hearts, … that makes respectability its morality, that would muzzle scientific inquiry will be ignored by a world that has outgrown it.” Mathews understood that moderns hungry for spiritual and psychic nourishment, and a new ethics to address new realities, could no longer be satisfied with the spiritual “crusts of yesterday.”