Analysis of information sources in references of the Wikipedia article "Alliance World Fellowship" in English language version.
D. D. Bundy notes that A. B. Simpson (1843–1919)—Presbyterian founder of the Christian and Missionary Alliance—who never accepted the Wesleyan doctrine of eradication of sin, accepted the Keswickian understanding of sanctification.
It is the other christological strand, that of the indwelling Christ, that is the heart of the distinctive sanctification theology of A. B. Simpson. A Presbyterian who ultimately founded the Christian and Missionary Alliance, Simpson operates within a Keswick framework while also drawing upon Wesleyan ideals. Like Wesley, Simpson described sin as in the motive or intent of the heart most especially lack of love for God and neighbour. While he agrees with Keswick that we can't ever be freed from this sinful nature in this life, he insisted, as Van De Walle puts it, "the power of the resurrected Christ would more than enable the believer to consider the sin nature a vanquished foe and to behave as though it were.