I’m ecstatic about the resurgence of gospel centrality taking place in the evangelical church. The idea that the gospel is not only for those outside the church but also for those inside the church; that it not only ignites the Christian life but is the fuel that keeps Christians going and growing every day, may seem like a new idea, but it’s really old. I’m glad it’s re-gaining traction, but as far as we’ve come, we need to go further.
For all the talk of gospel-centeredness, there’s still some fear and trepidation fueled by a common misunderstanding regarding the radical nature of grace. Even amongst the proponents of gospel-centrality, I still hear talk about there being two equal dangers that Christians must avoid: legalism and lawlessness.
Legalism, they say, happens when you focus too much on law, or rules. Lawlessness, they say, happens when you focus too much on grace. Therefore, in order to maintain spiritual equilibrium, you have to balance law and grace. Sometimes, legalism and lawlessness are presented as two ditches on either side of the gospel that we must avoid. If you start getting too much law, you need to balance it with grace. If you start getting too much grace, you need to balance it with law. But I’ve come to believe that this “balanced” way of framing the issue can unwittingly keep us from really understanding the gospel of grace in all of its radical depth and beauty.

Legalists sometimes defend themselves by claiming that legalism, properly understood, is just what Paul condemned in Galatians 1: the sin of making justification conditional on some work or ceremony performed by the sinner. In other words, legalism is works-salvation. So, they say, if you formally affirm the principle of sola fide and preach that people can be saved without any prerequisite work, you can’t possibly be a legalist, no matter how many rules you make and impose on the consciences of people who are already converted.
We find perfect Christian balance in Jesus Christ himself. We are complete in Him, because in Him all fulness dwells (Col 2:9-10). In Jesus we are holy. In Him we will be holy and live holy. We will be changed and different. We will obey His Word. We won’t be ruled by the flesh any more. But we also are free. We are free from the religion of human achievement. We don’t attain spirituality by keeping lists of rules. With live righteous lives in the liberty wherewith Christ has made us free.
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.
This is the most common brand of legalism practiced today in modern fundamentalism. The erecting of specific requirements of conduct beyond the teaching of Scripture and making adherence to them the means by which a person is qualified for full participation in the local family of God, the church. This is where unbiblical exclusivism arises. There is no getting around the fact that the church does not include everyone. We do exclude people from membership because we believe worship should imply commitment to the lordship of Christ, the head of the church. But exclusion of people from the church should never be taken lightly. It is a very serious matter. Schools and clubs and societies can set up any human regulations they wish in order to keep certain people out and preserve by rule a particular atmosphere. But the church is not man’s institution. It belongs to Christ. He is the head of the body, and he alone should set the entrance requirements. That is very important!