Home · Article · Author Interview: Donald S. Whitney on “How Can I Be Sure I’m a Christian?”Author Interview: Donald S. Whitney on “How Can I Be Sure I’m a Christian?” Donald S. Whitney discusses his book “How Can I Be Sure I’m a Christian?” and the satisfying certainty of eternal life By Don Whitney • May 2, 2019 Audio Interview Subscribe: iTunes | Podbean | RSS Video Interviews Buy the book here. Topics Salvation Don Whitney Professor of Biblical Spirituality; Associate Dean of the School of Theology Donald S. Whitney is professor of biblical spirituality and associate dean of the School of Theology at Southern Seminary. A longtime pastor and author of numerous books on the Christian life, he is also founder of The Center for Biblical Spirituality and is author of numerous books including Spiritual Disciplines for the Christian Life and Praying the Bible. @DonWhitney | Website | Faculty Bio | Other posts Featured Collections Bookstore Events Pastor Well with Hershael York