Do Christians Need To Obey The Mosaic Law?


The_Crucifixion011If you spend much time around Bible-believing Christians, you’ll undoubtedly hear something about grace. We’re saved by grace, not by works. And yet in any number of conversations, these same Christians will bring up something found in the Mosaic Law. Just this week I referenced a verse in the Law in regard to capital punishment.

So are Christians “cherry picking” when we say we’re to keep the Ten Commandments, but don’t have to worry about the dietary laws or about stoning people for breaking the Sabbath?

The notion that believers under grace are picking and choosing the parts of the Bible they want to follow is easy to understand. From the outside, it certainly looks inconsistent. But the truth is, there are passages of Scripture that are game changers.

The first of these is Matthew 5:17: “Do not think that I came to abolish the Law or the Prophets; I did not come to abolish but to fulfill.” Jesus fulfilled the Law. Peter explains it a bit more: “For Christ also died for sins once for all, the just for the unjust, so that He might bring us to God, having been put to death in the flesh, but made alive in the spirit” (1 Peter 3:18).

How does Jesus’s death fulfill the Law? On our own, we cannot fulfill the requirements of the Law. Jesus basically said as much in the Sermon on the Mount. Not just what we do falls under the law, but what we think—the anger or lust or covetousness in our hearts. Sin requires sacrifice. Christ’s death was the sacrifice “once for all” that fulfills the requirements of the Law. Paul fleshed this out in several of his letters. In Galatians he said,

nevertheless knowing that a man is not justified by the works of the Law but through faith in Christ Jesus, even we have believed in Christ Jesus, so that we may be justified by faith in Christ and not by the works of the Law; since by the works of the Law no flesh will be justified. (2:16)

Paul explained that it is Christ’s work on the cross that saved us from the Law and its requirements.

Christ redeemed us from the curse of the Law, having become a curse for us—for it is written, “CURSED IS EVERYONE WHO HANGS ON A TREE”—

Another game changer is the establishment of the Church. In the Old Testament God chose Israel to represent Him to the rest of the world, but after Christ came, His followers are God’s representatives on earth. The verses are 1 Peter 2:9-10.

But you are A CHOSEN RACE, A royal PRIESTHOOD, A HOLY NATION, A PEOPLE FOR God’s OWN POSSESSION, so that you may proclaim the excellencies of Him who has called you out of darkness into His marvelous light; for you once were NOT A PEOPLE, but now you are THE PEOPLE OF GOD; you had NOT RECEIVED MERCY, but now you have RECEIVED MERCY.

The Church, made up of peoples of every tribe and tongue and nation, isn’t under a single government as Israel was. Their national law was to be God’s Law. But not so the Church.

Then why do Christians go on about the Bible, including the books of the Law?

Game changer number three: 2 Timothy 3:16-17:

All Scripture is inspired by God and profitable for teaching, for reproof, for correction, for training in righteousness; so that the man of God may be adequate, equipped for every good work.

The Old Testament, just like the New is to teach, reprove, correct, train—not so that we can work our way into God’s good graces. Rather, Scripture equips us for every good work.

Paul, in Philippians, calls this the “righteousness which comes from God on the basis of faith.” We are saved in order that we might do good. We don’t do good in order that we might be saved.

It’s an important distinction.

The Bible, then, from cover to cover, reveals God: His character, His qualities, His work, His plan. It’s not a list of rules. It’s a revelation.

We who have been saved by grace ought logically to be about God’s business, doing and living the way He wants us to. In fact, game changer number four shows us that “faith” isn’t alive unless it translates into a changed life that cares about what God cares about:

You believe that God is one. You do well; the demons also believe, and shudder. But are you willing to recognize, you foolish fellow, that faith without works is useless? (James 2:19-20)

So what about those dietary laws? Mark addressed this issue when he explained something Jesus said about the legalistic Pharisees:

And He said to them, “Are you so lacking in understanding also? Do you not understand that whatever goes into the man from outside cannot defile him, 19 because it does not go into his heart, but into his stomach, and is eliminated?” (Thus He declared all foods clean.) [Mark 7:18-19]

The issue came up later in the book of Acts, this time in the context of God making it clear that He was including Gentiles in the Church. Here’s the part of the passage that deals with the dietary laws:

Peter went up on the housetop about the sixth hour to pray. But he became hungry and was desiring to eat; but while they were making preparations, he fell into a trance; and he *saw the sky opened up, and an object like a great sheet coming down, lowered by four corners to the ground, and there were in it all kinds of four-footed animals and crawling creatures of the earth and birds of the air.

A voice came to him, “Get up, Peter, kill and eat!”

But Peter said, “By no means, Lord, for I have never eaten anything unholy and unclean.” 1

Again a voice came to him a second time, “What God has cleansed, no longer consider unholy.” (Acts 10:9b-15)

God wasn’t just talking about food, as the rest of the story reveals, but He was nevertheless also talking about food.

The short answer to the question is this: God revealed His heart throughout the Bible, including through the Law. We aren’t under the Law, but it can and should inform our good works which we do as a reflection of the faith we have in Christ. Jesus summed the law up by saying we are to love God and love our neighbors.

Love means protecting some against predators. Are we also loving the predators when we do so? I think so. People who get away with murder don’t realize they are sinners in need of a Savior. They think they are the gods of their own world and can do whatever they want. God’s judgment reveals the truth: He is God and we are not. If we love our neighbor who is facing God’s judgment, we ought not be silent. (We also ought not be strident and mean spirited, but that’s another issue for another day.)

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