2. He shall have the glory of bringing in an everlasting righteousness; for so it was foretold concerning him, Dan. ix. 24. And here, to the same purport, By his knowledge (the knowledge of him, and faith in him) shall my righteous servant justify many; for he shall bear the sins of many, and so lay a foundation for our justification from sin. Note, (1.) The great privilege that flows to us from the death of Christ is justification from sin, our being acquitted from that guilt which alone can ruin us, and accepted into God's favour, which alone can make us happy. (2.) Christ, who purchased our justification for us, applies it to us, by his intercession made for us, his gospel preached to us, and his Spirit witnessing in us. The Son of man had power even on earth to forgive sin. (3.) There are many whom Christ justifies, not all (multitudes perish in their sins), yet many, even as many as he gave his life a ransom for, as many as the Lord our God shall call. He shall justify not here and there one that is eminent and remarkable, but those of the many, the despised multitude. (4.) It is by faith that we are justified, by our consent to Christ and the covenant of grace; in this way we are saved, because thus God is most glorified, free grace most advanced, self most abased, and our happiness most effectually secured. (5.) Faith is the knowledge of Christ, and without knowledge there can be no true faith. Christ's way of gaining the will and affections is by enlightening the understanding and bringing that unfeignedly to assent to divine truths. (6.) That knowledge of Christ, and that faith in him, by which we are justified, have reference to him both as a servant to God and as a surety for us. [1.] As one that is employed for God to pursue his designs and secure and advance the interests of his glory. "He is my righteous servant, and as such justifies men." God has authorized and appointed him to do it; it is according to God's will and for his honour that he does it. He is himself righteous, and of his righteousness have all we received. He that is himself righteous (for he could not have made atonement for our sin if he had had any sin of his own to answer for) is made of God to us righteousness, the Lord our righteousness. [2.] As one that has undertaken for us. We must know him, and believe in him, as one that bore our iniquities—saved us from sinking under the load by taking it upon himself.