Let me define what I mean by legalism. The New Testament does not use the word “legalism” and, therefore, it is thrown around today pretty carelessly. I want to try to define it in such a way that you can see that it is evil and that the New Testament does indeed deal with it, even if it does not use the word. I use the word “legalism” in at least two senses, but both have a common root problem. First, legalism means treating biblical standards of conduct as regulations to be kept by our own power in order to earn God’s favor. In other words legalism will be present wherever a person is trying to be ethical in his own strength, that is, without relying on the merciful help of God in Christ. Simply put, moral behavior that is not from faith is legalism. The legalist is always a very moral person. In fact the majority of moral people are legalists because their so-called Judeo-Christian morality inherited from their forefathers does not grow out of a humble, contrite reliance on the merciful enabling of God. On the contrary, for the legalist, morality serves the same function that immorality does for the antinomian, the free-thinker, the progressive, namely, it serves as an expression of self-reliance and self-assertion. The reason some Pharisees tithed and fasted is the same reason some German university students take off their clothes and lie around naked in the park in downtown Munich. The moral legalist is always the elder brother of the immoral prodigal. They are blood brothers in God’s sight because both reject the sovereign mercy of God in Christ as a means to righteousness and use either morality or immorality as a means of expressing their independence and self-sufficiency and self-determination. And it is clear from the NT that both will result in a tragic loss of eternal life. So the first meaning of legalism is the terrible mistake of treating biblical standards of conduct as regulations to be kept by our own power in order to earn God’s favor. It is a danger we must guard against in our own hearts every day. And please know that my old self is just as prone to it as anyone……
Legalism is a more dangerous disease than alcoholism because it doesn’t look like one. Alcoholism makes men fail; legalism helps them succeed in the world. Alcoholism makes men depend on the bottle; legalism makes them self-sufficient, depending on no one. Alcoholism destroys moral resolve; legalism gives it strength. Alcoholics don’t feel welcome in church; legalists love to hear their morality extolled in church. Therefore, what we need in this church is not front-end regulations to try to keep ourselves pure. We need to preach and pray and believe that “Neither circumcision nor uncircumcision, neither teetotalism nor social drinking, neither legalism nor alcoholism is of any avail with God, but only a new creation (a new heart)” (Galatians 6:15; 5:6).
The enemy is sending against us every day the Sherman tank of the flesh with its cannons of self-reliance and self-sufficiency. If we try to defend ourselves or our church with peashooter regulations, we will be defeated, even in our apparent success. The only defense is to “be rooted and built up in Christ and established in faith” (Colossians 2:6); “Strengthened with all power according to his glorious might for all endurance and patience with joy” (Colossians 1:11); “holding fast to the head from whom the whole body, nourished and knit together, . . . grows with a growth that is from God“ (Colossians 2:19). From God! From God! And not from ourselves.
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Knowing God through His Word ... Day by Day 