Comparing the law with the glory of grace, Paul says that even Moses could not have been justified by the law unless he fulfilled all the commandments of the law. .
Moses (Leviticus xviii. 12.) wrote that the justice which is of the law. Shall live by it. That is, shall have the recompense of a long temporal life, or even an everlasting life, by joining a faith in Christ their Redeemer, that was to come. But the justice which is of faith, speaketh thus, that is, Moses speaketh thus of it, (Deuteronomy xxx.) say not in thy heart, who shall ascend into heaven? the apostle gives us the spiritual sense of the words, by adding, to bring Christ down The sense is, that it is now fulfilled in the new law, when Christ is come from heaven by his incarnation, and is also again risen from the abyss by his resurrection: and therefore,
Scripture says not that he will find life through the law, in the sense that through it he will live in heaven but that he will find life through it to the extent that what he will reap what he deserves in this world.
