Contemporary analyses of Anselm's objective description of Christ's atonement have often resulted in a trend of interpretation that tends to ignore the relevance of this model to a development and understanding of a western doctrine of Christian sanctification. Through the examination of some overlooked insights offered in Cur Deus homo and their integration with other spiritual writings in Anselm's corpus, the present article attempts to redirect current scholarship towards a more holistic engagement with Anselm's doctrine of atonement, out of which an original doctrine of Christian perfection can be outlined.