Teaching on the sanctification of Christians using the difficult word perfection has been part of Christian spirituality through the centuries. The Fathers spoke of it and Augustine particularly contributed his penetrating analysis of human motivation in terms of love. Medieval theologians such as Bernard and Thomas Aquinas developed the tradition and wrote of levels or degrees of perfection in love.However, the doctrine has not fared so well among Protestants. John Wesley was the one major Protestant leader who tried to blend this ancient tradition of Christian