contribution to illumination. Both Lydia Schumacher’s Divine Illumination and Ronald Nash’s The Light of the Mind make great strides toward understanding the Augustinian theory of illumination but neither are dogmatic constructions. Bernard Ramm’s The Witness of the Spirit may very well be our closest comparable work, though some may distinguish illumination from the internal witness of the Holy Spirit. John Owen’s magisterial Pneumatologia (or, A Discourse Concerning the Holy Spirit), which John
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