In light of Paul’s exposing of the Judaizer’s faulty understanding of redemptive history, the apostle returns to the fundamental question, “why the law?” No doubt, the law serves a very important purpose, but we must be very clear as to what that purpose is. In Galatians 3, especially verses 15-25, Paul explains that the primary purpose of the law is to show us that we are sinners who need a Savior. According to the second use, the law functions as a stern tutor of a guardian of a minor. The law holds us prisoner to sin until we are released from its tutorial function when we embrace Jesus Christ through faith. The law accomplishes its purpose when it exposes how sinful we truly are. Once we have come to faith in Jesus, the law is no longer a guardian for us, like that needed by small children.

When we consider the law from this perspective–the so-called “second” or “theological” use of the law– a number of things should be noted. For one thing, it should be absolutely clear that there will be no one who obtains the promise because they obeyed the law, or earned God’s favor through their good works, or through their obedience to God’s commandments. Paul is both emphatic and clear. The law was not given to bring life. It was given to inflict the curse and death.

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