From Sinai to Zion: The Worship of the New Covenant – Hebrews 12:28-29

This kingdom, then, is that rule of Christ in and over the gospel-state of the church, which the apostle hath proved to be more excellent than that of the law. Hereunto belong all the light, liberty, righteousness, and peace, which by the gospel we are made partakers of, with all the privileges above the law insisted on by the apostle. Christ is the king, the gospel is his law, all believers are his subjects, the Holy Spirit is its administrator, and all the divine treasures of grace and mercy are its revenue. The reader may see a delineation of this kingdom in our exposition on chap. 1:2. This is the kingdom which is here intended, the present actual participation whereof is made the foundation of the exhortation ensuing, being undeniably cogent unto that end. – John Owen