The Biblical Basis for Evangelism

Abstract

David A. Witte’s essay offers a thorough exegetical study of the biblical foundation for evangelism, focusing on the active Greek verbs used in Scripture to describe the proclamation of the Gospel. Beginning with the Great Commission in Matthew 28, Witte analyzes verbs such as euangelizō (to evangelize), kerussō (to preach), didaskō (to teach), and martureō (to witness), showing how each contributes to the biblical understanding of evangelism. He categorizes their grammatical forms and theological implications, emphasizing that evangelism is both a divine command and a Spirit-empowered activity. Witte also addresses the role of good works, affirming they are not means of grace but may support Gospel outreach. The essay concludes with a definition of evangelism endorsed by the WELS Commission: the sharing of Law and Gospel to comfort sin-sick souls. Witte’s work affirms evangelism as a biblically grounded mission for all Christians.

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