"The writings of Ignatius Loyola (1491-1556), especially `Rules for the Discernment of Spirits' contained in his Spiritual Exercises, exhibit a care, a depth of insight, and a profundity of guidance about the inner life that is completely off the radar screen among contemporary Evangelicals. We neglect this literature at the cost of our own impoverishment."
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This glowing endorsement of the work of the arch-enemy of the Protestant Reformation (Ignatius Loyola) comes from Biola professor, J. P. Moreland. It can be found on page 156 of his book Kingdom Triangle.