As Christians, we would be wise to spend time studying the Law of Moses. After all, it was a gift from God. It helped form former slaves into a covenant nation. It promoted justice, protected the vulnerable, taught holiness, regulated worship, and showed Israel what life with a holy God should look like. Paul could therefore say, “the Law is holy, and the commandment is holy and righteous and good” (Romans 7:12).
And yet the New Testament tells us something that may initially sound contradictory: the Law could never save us. Why? Was something wrong with it? Were His commandments defective? Certainly not. The problem was never the Law…after all, it came from God. The problem was us.
The Law could show people what righteousness looked like, but giving sinful people a perfect standard does not make sinful people perfect. Paul explained, “I would not have come to know sin except through the Law” (Romans 7:7). He specifically mentioned the command, “You shall not covet.” That command did not create covetousness. It exposed it.
A thermometer can reveal a fever, but it cannot cure the infection causing it. In a similar way, God’s Law could reveal the human condition. It could say, “This is holy. This is sinful. This is right. This is wrong.” But revealing the problem and solving it are two different things.
The goodness of the Law made the problem of sin even clearer. Paul wrote, “The law is spiritual,” but “I am of flesh, sold under sin” (Romans 7:14). A perfect standard placed beside imperfect people does not expose something wrong with the standard. It exposes something wrong with us.
Israel’s history demonstrated that reality. They possessed something extraordinary: God had revealed His will to them. Yet knowing God’s will did not guarantee obedience. They saw His power in Egypt and still made a golden calf. Generations later, prophets continued calling them away from idolatry, injustice, and sin.
But we should be careful not to look at Israel from a distance and shake our heads. Their problem is our problem. We know we should forgive, yet sometimes we hold grudges. We know we should control our tongues, yet still say things we regret. We know we should trust God, yet we worry. We know what is right and still sometimes choose what is wrong. Knowledge is necessary…but knowledge alone does not transform the human heart.
Perhaps nowhere is the tension clearer than in the sacrifices God gave Israel. Consider the Day of Atonement in Leviticus 16. Once each year, the high priest entered the Most Holy Place under carefully prescribed circumstances. He offered sacrifice for himself and then for the people. Blood was presented before God. The scapegoat symbolically carried Israel’s sins away into the wilderness.
This was not a meaningless ritual. It was God’s provision for His covenant people. It taught them that sin was serious, cleansing was necessary, and fellowship with a holy God required atonement. At the same time, it displayed something beautiful: God provided a way for sinful people to remain in relationship with Him.
And then, the next year, they did it again. Year after year, another Day of Atonement came. Sacrifice followed sacrifice. Priest followed priest. The system was doing what God appointed it to do, yet its repetition raised a question: Would there ever be a sacrifice that did not need to be repeated?
Centuries later, Hebrews helps Christians understand the significance of what Israel had been practicing. The writer says that “it is impossible for the blood of bulls and goats to take away sins” in the ultimate sense (Hebrews 10:4).
That does not mean the sacrifices were useless. God had commanded them, and through this God-given system Israelites genuinely experienced cleansing, forgiveness, and restored covenant fellowship. David could rejoice, “How blessed is he whose transgression is forgiven, Whose sin is covered” (Psalm 32:1). But the blood of animals was never intended to be the final answer to human sin. The forgiveness God granted ultimately rested upon something greater that He would accomplish.
Scripture never portrays the Law as a failed experiment. Paul described the Law as a paidagōgos, often translated “tutor,” “guardian,” or “schoolmaster,” leading toward Christ (Galatians 3:24). The term referred to someone entrusted with supervising and guiding a child until maturity. Paul’s point is that the Law occupied an important but temporary place in God’s unfolding purpose.
And temporary does not mean bad. Something can accomplish exactly what it was designed to accomplish and then give way when its purpose has been fulfilled. The Law revealed God’s holiness. It identified sin. It formed Israel. It established priesthood and sacrifice. It taught the need for cleansing, mediation, blood, and atonement. It showed humanity what righteousness looked like and how far sinful people fall short.
What it could not do was enable people to stand before God and say, “I have perfectly kept Your standard. I have earned the right to be here.” No one could make that claim then. No one can make it now.
We still have a tendency to justify ourselves. We compare ourselves with others. We remember the commandments we keep and minimize the ones we break. We reassure ourselves that we are “pretty good people.” But God’s holiness does not allow us to grade ourselves on a curve. That realization does not make the Law less beautiful. It makes grace in Christ more beautiful.
Leviticus showed Israel what holiness looked like. But knowing what holiness looks like and being perfectly holy are not the same thing. The Law that revealed God’s character also revealed the distance between His character and ours.
So, was the Law a failure? No. The Law did not fail because it could not provide the final solution to sin. It succeeded in the role God gave it.
Perhaps the clearest picture comes near the end of the story. Hebrews describes Old Covenant priests as standing “daily ministering and offering time after time the same sacrifices” (Hebrews 10:11). Their work continued. Then it describes Christ. He “offered one sacrifice for sins forever”…and sat down at the right hand of God (Hebrews 10:12).
The Law had taught humanity to understand holiness, sin, sacrifice, priesthood, blood, mediation, and atonement. It had supplied the vocabulary. And then Christ came.
The Law did not fail because it could not save. It succeeded by helping us understand why we needed Someone who could.
