A candid acknowledgement that prejudice, war and exploitation have been the expression of immature stages in a vast historical process and that the human race is today experiencing the unavoidable tumult which marks its collective coming of age is not a reason for despair but a prerequisite to undertaking the stupendous enterprise of building a peaceful world. That such an enterprise is possible, that the necessary constructive forces do exist, that unifying social structures can be erected, is the theme we urge you to examine.