A lot of people like to say there are two kinds of "Christianity" – the Grace kind and the Law kind. But that’s not true. There aren’t two. There are three.
There are people who follow the Law.
There are people who follow their lusts.
There are people who follow the Lord.
Most Christians have been in (or at least been to) all three groups. We all say we hope to live in the Lord. Some claim "Grace". Some claim "Law". And each of those two groups often accuses the other.
Now, the Law group is afraid to be caught by their own lusts. And the lust group is afraid to be judged by the Law. Or by someone’s law. Or by any law at all. But the interesting thing is that they both tend to see what they fear. They both, often, accuse other christians of being in the group they don't like.
Jewish Christians (in the Synagogues that James wrote to) accused Paul’s saints of using their freedom to sin. Gentile Christians who gave themselves as slaves to sin were loved but gently rebuked by Paul’s saints – but a few left the fellowship. And don’t you know those folks accused Paul of being a Pharisee still? They did. (Some still do.)
But the truth is there are many ways of the flesh. Serving lust is of the flesh. And serving Law is of the flesh. Living in fear of either one reveals a lack of Faith in Him. (Faith may as well equal “focus” you know, and Fear is “focus” too.) But Paul said that “the Righteous Man” will live by Faith.
And I say: there’s only One Righteous Man… but here is the mystery: He DOES live by Faith. He IS Faith. And He is MY faith. He is neither the Law to me, nor freedom to sin. What do I need rules or sin for? I have Him!!! And that's True Freedom! And He Himself is my only Law!
And I live here, as part of Him here. And we love Him. We LOVE Him. We love HIM!
And Praise God… Thank You, Lord… we don't have to be slaves to our "freedom". And we're sure there's no Law against You! :)