The three traditional enemies of the Christian life are symbolized under the headings of the World, the Flesh, and the Devil, and the classification has a certain convenience. The "World" stands in this connexion for human society in so far as it is organized apart from Christ. It is obvious that "the way of the world," as represented by the general outlook of conventional society, is in many respects in manifest conflict with the principles of the Gospel. The existing social order is the product of a compromise between inherited influences and standards which are in a certain sense broadly Christian, and the natural man's instinctive selfishness in matters both individual and social. The conflict against the spirit of worldliness which should be one of the marks of a genuine Christian life is beset by peculiar difficulties, precisely because in a society which is in some respects partially Christian the issues are confused. Public opinion indubitably tolerates many things which should not be tolerated, and condones others which should not be condoned. But public opinion approves much that is good, and does lip-service to a variety of Christian ideals, even while reserving the reality of its devotion for the worship of success and material comfort. Perhaps it may be said that the most fundamental characteristic of essentially "worldly" opinion is absence of idealism. Worldliness is the principle of contentment with things as they are. Against worldliness, so defined, the Christian is committed to a conflict all along the line, since even in those regions of life and conduct in which the standards recognized by the world are right and good so far as they go, "the good is the enemy of the best." To rest content at any point with what has already been attained is fatal to all spiritual advance. It is, in effect, the death of the soul. Mr. William Temple has remarked that in the conflict of Christians against the Devil and the Flesh the public opinion of the Church, as visibly organized, is on their side, but that in their conflict with the World it is decidedly against them. That is an over-statement, but it conveys a truth. Undoubtedly the Church has made compromises with the World, a fact which arises partly as the result of the inclusion within her fold of a large proportion of merely nominal members whose Christianity is no more than an inherited or conventional tradition. A further point of importance is this. Two thousand years is not a long period in relation to the scale of the world's history as a whole, and Christianity is still a comparatively young religion. The problem of worldliness is mainly a problem of the relation of the Church to the social order; and there are reasons why it was natural that the working out of the Christian ideal of conduct should first have been developed in relation to the affairs of private and domestic life.