To give knowledge of salvation to his people by the remission of their sins,
      Secondly, It is a restoration to the favour of God; it is to perform the mercy promised to our forefathers,Luke 1:72; Luke 1:72. The Redeemer shall not only break the head of the serpent that was the author of our ruin, but he shall re-instate us in the mercy of God and re-establish us in his covenant; he shall bring us as it were into a paradise again, which was signified by the promises made to the patriarchs, and the holy covenant made with them, the oath which he sware to our father Abraham,Luke 1:73; Luke 1:73. Observe, 1. That which was promised to the fathers, and is performed to us, is mercy, pure mercy; nothing in it is owing to our merit (we deserve wrath and the curse), but all to the mercy of God, which designed us grace and life: ex mero motu--of his own good pleasure, he loved us because he would love us. 2. God herein had an eye to his covenant, his holy covenant, that covenant with Abraham: I will be a God to thee and thy seed. This his seed had really forfeited by their transgressions; this he seemed to have forgotten in the calamities brought upon them; but he will now remember it, will make it appear that he remembers it, for upon that are grounded all his returns of mercy: Leviticus 26:42, Then will I remember my covenant.