But, in this sphere of commanded things, what is the extent of her discretionary power? This is a question which is to us, as a church, one of present, practical import. It is one of the points at which we are in especial danger of being caught off our guard—this is a gate through which the Trojan horse is sought to be introduced into our holy city. It is a real, living issue, What power has the church within the sacred, the divinely-scored circle of commanded things—of revealed duties? This being the question, the answer, for us, is most precisely given in our Confession of Faith. After stating the mighty principle of the limitation of power within the things prescribed in Scripture, it proceeds to say: "There are some circumstances concerning the worship of God and the government of the church, common to human actions and societies, which are to be ordered by the light of nature and Christian prudence according to the general rules of the word, which are always to be observed." Since then, by her Constitution, the charter which defines her rights, limits her powers and prescribes her duties, the discretion of our church is astricted to "some circumstances concerning the worship of God common to human actions and societies," it is a question of the utmost consequence, What is the nature of these circumstances? Dr. Thornwell puts the case so clearly, and yet so concisely, that we quote a portion of his words in answer to this very question: "Circumstances are those concomitants of an action without which it either cannot be done at all, or cannot be done with decency and decorum. Public worship, for example, requires public assemblies, and in public assemblies people must appear in some costume and assume some posture. . . . Public assemblies, moreover, cannot be held without fixing the time and place of meeting: these are circumstances which the church is at liberty to regulate. . . . We must distinguish between those circumstances which attend actions as actions—that is, without which the actions cannot be—and those circumstances which, though not essential, are added as appendages. These last do not fall within the jurisdiction of the church. She has no right to appoint them. They are circumstances in the sense that they do not belong to the substance of the act. They are not circumstances in the sense that they so surround it that they cannot be separated from it. A liturgy is a circumstance of this kind. . . . In public worship, indeed in all commanded external actions, there are two elements—a fixed and a variable. The fixed element, involving the essence of the thing, is beyond the discretion of the church. The variable, involving only the circumstances of the action, its separable accidents, may be changed, modified or altered, according to the exigencies of the case." Such is the doctrine of one who was a profound and philosophical thinker, a man deeply taught of the Spirit, and a master of the Presbyterian system, the doctrine of Calvin and Owen, of Cunningham and Breckinridge, the doctrine of the Reformed Church of France, of the Puritans of England, and of the Church of Scotland, the doctrine to which, by the grace of God, the practice of the Free Church of Scotland and of the Presbyterian Church of Ireland, in an age of growing laxity, still continues to be conformed.
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