QUOTE : An early proponent of Keswick theology once wrote, “Christians need not sin, and if they allow the Holy Spirit to ‘operate invariably’ they will not sin.”6 There are numerous problems in this one sentence, not least of which is that it represents, again, a fundamental misunderstanding about how sanctification works in a Christian’s life. Another issue is the idea that Christians can reach a point of sinlessness (or near-sinlessness). But a big problem hiding behind the others is one that is repeated in countless Christian sermons, books, social media thoughts, and even songs. It is the notion of “letting God.