The true circumcision then must be those, in the first place, who have the true, the essentially true worship. Circumcision set men apart as worshippers of the true God: hence Israel came to be thought of as a people "instantly serving (or worshipping) God day and night." That this worship must include more than outward service in order to be a success--that it should include elements of high spiritual worth, was disclosed in Old Testament revelation with growing clearness. One promise on which it rested was: "The Lord thy God will circumcise thine heart, and the heart of thy seed, to love the Lord thy God with all thy heart, and with all thy soul, that thou mayest live." The true circumcision, those who answer to the type which circumcision was meant to set, must be those who have the true worship. Now that is the worship "by the Spirit"; on which we shall have a word to say presently.
And again, the true circumcision must be those who have the true glorying. Israel, called to glory in their God, were set apart also to cherish in that connection a great hope, which was to bless their line, and, through them, the world. That hope was fulfilled in Christ. The true circumcision were those who welcomed the fulfilment of the promise, who rejoiced in the fulness of the blessing, because they had eyes to see and hearts to feel its incomparable worth.
And certainly, therefore, as men who had discovered the true foundation and refuge, they must renounce and turn from the false trust, they must put no confidence in the flesh. Is this, however, a paradox? Was not circumcision "outward, in the flesh"? Was it not found to be a congruous part of a concrete system, built up of "elements of this world"? Was not the temple a "worldly sanctuary," and were not the sacrifices "carnal ordinances"? Yes; and yet the true circumcision did not trust in circumcision. He who truly took the meaning of that remarkable dispensation was trained to say, "Doth not my soul wait on God? from Him cometh my salvation." And he was trained to renounce the confidences in which the nations trusted. Hence, though such a man could accept instruction and impression from many an ordinance and many a providence, he was still led to place his trust higher than the flesh. And now, when the true light was come, when the Kingdom of God shone out in its spiritual principles and forces, the true circumcision must be found in those who turned from that which appealed only to the earthly and the fleshly mind, that they might fasten on that in which God revealed Himself to contrite and longing souls.
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The Apostle therefore claimed the inheritance and representation of the ancient holy people for spiritual believers, rather than for Judaising ritualists. But apart from questions as to the connection between successive covenants, it is worth our while to weigh well the significance of those features of Christian religion which are here emphasised.
"We," he says, "worship by the Spirit of God." The Holy Spirit was not absent from the old economy. But in those days the consciousness and the faith of His working were dim, and the understanding of the scope of it was limited. In the times of the New Testament, on the contrary, the promise and the presence of the Spirit assume a primary place. This is the great promise of the Father which was to come into manifestation and fulfilment when Christ had gone away. This, from Pentecost onwards, was to be distinctive of the character of Christ's Church. According to the Apostle Paul, it is one great end of Christ's redemption, that we may receive the promise of the Spirit through faith. So, in particular, Christian worship is by the Spirit of God. Therefore it is a real and most inward fellowship with God. In this worship it is the office of the Holy Spirit to give us a sense of the reality of Divine things, especially of the truths and promises of God; to touch our hearts with their goodness, on account especially of the Divine love that breathes in them; to dispose us to decision, in the way of consent and surrender to God as thus revealed. He takes the things of Christ, and shows them to us. So he brings us, in our worship, to meet with God, mind to mind, heart to heart. Although all our thoughts, as well as all our desires, come short, yet, in a measure, a real consent with God about His Son and about the blessings of His Son's gospel comes to pass. Then we sing with the Spirit, when our songs are filled with confidence and admiration, arising out of a sense of God's glory and grace; and we pray in the Holy Ghost, when our supplications express this loving and thankful close with God's promises. It is our calling and our blessedness to worship by the Spirit of God. Much of our worship might fall silent, if this alone should be upheld: yet this alone avails and finds God. Whatever obscures this, or distracts attention from it, whether it be called Jewish or Christian, does not aid worship, but mars it.