the weak. By acknowledging these differences, we are steered away from the interpretation that building up the weak involves curing them of their immaturity, as in Philodemus’s philosophical therapy. For Paul, it cannot be true that building up the weak meant curing them of their weakness, because he did not consider the weakness inherently relevant for mature faith in God. Paul had a different understanding in this case, one that did not involve increasing the knowledge of the weak or healing their