Is suicide unforgivable?

Is suicide unforgivable? Thomas Schreiner is James Buchanan Harrison Professor of New Testament Interpretation and Professor of Biblical Theology (1997), and Associate Dean of the School of Theology  at The Southern Baptist Theological Seminary. Schreiner, a Pauline scholar, is the author or editor of several books including, Romans, in the Baker Exegetical Commentary Series on the New Testament; Interpreting the Pauline Epistles; The Law and Its Fulfillment: A Pauline Theology of Law; The Race Set Before Us: A Biblical Theology of Perseverance and Assurance; Still Sovereign: Contemporary Perspectives of Election, Foreknowledge, and Grace, co-edited with Bruce A. Ware; Women in the Church: A Fresh Analysis of I Timothy 2:9-15; Paul, Apostle of God’s Glory in Christ: A Pauline Theology.