A way of thinking and acting prevails throughout the world, as if earth and its interests were the whole sphere of man; and being pervaded by this spirit, the whole world may be said to be a commonwealth with a spirit and with maxims of its own. We, who live in it, feel it natural to comply with the drift of things in this respect, and difficult to stand against it; so that separation and singularity seem unreasonable and hard. We claim for our lives the support of a common understanding; we yearn for the comfort of a system of things existing round us, in which we may find countenance. It was urged against the Christians of the early ages that their religion was unsocial--it broke the ties by which men held together; and doubtless many a Christian, in hours of trial and depression, felt with pain that much in Christian life offered a foundation for the reproach. On the other hand, those who, like the enemies of the cross, refer their lives to the world's standard, rather than to Christ's, have at least this comfort, that they have a tangible city. The world is their city: therefore also the prince of it is their king. But the Apostle, for himself and his fellows, sets against this the true city or state--with its more original and ancient sanctions; with its more authoritative laws; with its far more pervading and mighty spirit, for the Spirit of God Himself is the life which binds it all together; with its glorious and gracious King. This commonwealth has its seat in heaven; for there it reveals its nature, and thence its power descends. We recognise this whenever we pray, "Thy will be done in earth as it is in heaven." This, says the Apostle, is our citizenship. The archaism of the Authorised Version, "Our conversation" (that is, our habitual way of living) "is in heaven," expresses much of the meaning; only the "conversation" is referred, by the phrase employed in the text, to the sanctions under which it proceeds, the august fellowship by which it is sustained, the source of influence by which it is continually vitalised. Our state, and the life which as members of that state we claim and use, is celestial. Its life and strength, its glory and victory, are in heaven. But it is ours, though we are here on earth.