By the kingdom of Christ is meant, his mediatorial kingdom, as the head of his body the church; and though this supreme power and glory of the Lord Jesus hath undoubtedly its foundation in his eternal power and GODHEAD, inasmuch that had, he not been one with the Father over all, God blessed for ever, he never could have formed this kingdom as Mediator, yet his sovereignty, as the glorious Head of his church is distinct from that kingdom of his oneness in the GODHEAD with the Father and the Holy Ghost. His kingdom of Mediator is a kingdom given to Christ. As God he had a natural right to it, and it could not be given to him; but as Christ, God-man in one person, he hath a gifted right, and an acquired right, by virtue of which it becomes his. And most blessed it is to eye the Lord Jesus in this his kingdom, and to behold the furniture of this kingdom, when brought to see our interest in it. All the blessings that belong to a kingdom constitute Christ's kingdom: all temporal, all spiritual, all eternal blessings. Every thing in grace here, and glory to all eternity, are his to bestow upon his people. Blessedly Jesus spake of this to the Father, in that comprehensive manner: (John 17:2) "As thou hast given him power over all flesh, that he should give eternal life to as many as thou hast given him." So that to speak of this kingdom of the Lord Jesus Christ in a comprehensive manner, he hath universal, unceasing, unchanging, and everlasting supremacy, in the kingdom of grace here, and glory to all eternity. How beautifully doth the apostle speak of the privilege of all the happy subjects of this kingdom, when he saith, "wherefore, we receiving a kingdom which cannot be moved, let us have grace whereby we may serve God acceptably, with reverence and godly fear." (Hebrews 12:28. See Exodus 19:6; John 18:36; Luke 1:33)