19:12 Set bounds - Probably he drew a ditch round at the foot of the hill, which none were to pass upon pain of death. This was to intimate, 1st, That awful reverence which ought to possess the minds of all that worship God. 2dly, The distance which worshippers were kept at under that dispensation, which we ought to take notice of, that we may the more value our privilege under the gospel, having boldness to enter into the holiest by the blood of Jesus, Heb 10:19.
19:9-15 The solemn manner in which the law was delivered, was to impress the people with a right sense of the Divine majesty. Also to convince them of their own guilt, and to show that they could not stand in judgment before God by their own obedience. In the law, the sinner discovers what he ought to be, what he is, and what he wants. There he learns the nature, necessity, and glory of redemption, and of being made holy. Having been taught to flee to Christ, and to love him, the law is the rule of his obedience and faith.
