<p>3:4 <em>Everyone that keeps on committing sin commits lawlessness, for sin is lawlessness</em>- The Judaist false teachers were characterized by personal sinfulness, living in sin (see on 2:29). In fact, for all their much vaunted attention to the Jewish law, they were lawless. The &quot;keeps on committing...&quot; is in contrast to the ongoing process of purification by the work of the Spirit we have just read of in :3.</p>