Theological term
Covenant of Salt
2 sermons · All terms
Of the Duties of the Priests and Levites
Numbers 18–19 belongs to a literary unit stretching from chapters 16 through 19, all of which works to vindicate Aaron's God-ordained priesthood in the aftermath of Korah's rebellion. Chapter 18 defines the distinct duties and the provision of both priests and Levites, while chapter 19 supplies the purification rites that answer Israel's terrified cry in chapter 17 — 'shall we all utterly die?' — by providing a lawful way of drawing near to a holy God. The regulative principle of worship stands at the centre of these chapters: God alone determines who may approach Him, by what means, and under what conditions, and the death penalties attached to violations are not capricious but reflect the consuming holiness of the Lord. These Old Covenant arrangements point forward to the Lord Jesus Christ, the great High Priest who is also the Lamb, the one who both provides atonement and promotes and protects true worship under the New Covenant.
The Witness of the Kingdom
Matthew 5:13–16 identifies the disciples of Christ as the salt of the earth and the light of the world, pressing believers into active engagement with a fallen society rather than withdrawal from it. The Beatitudes (vv. 3–12) describe the distinctive character of those saved by grace alone through faith alone; vv. 13–16 describe how those same people function in a world of unbelief as seasoning and preserving agents who radiate the knowledge of Christ. The warning is pointed: salt that loses its savor is good for nothing, and light hidden under a basket defeats its own purpose. The ultimate goal of Christian witness is not social improvement or personal acclaim but the glorifying of the Father in heaven — a witness grounded in and empowered by the one Scripture calls the faithful witness, Jesus Christ himself.