The third quest for the historical Jesus has reached an impasse. But a fourth quest is underway--one that draws from a heretofore largely neglected source: John's Gospel.

In Jesus the Purifier: John's Gospel and the Fourth Quest for the Historical Jesus (Baker Academic, 2023), renowned New Testament scholar Craig Blomberg advances the idea that John is a viable and valuable source for studying the historical Jesus. The data from John should be integrated with that of the Synoptics, which will yield additional insights into Jesus's emphases and ministry. Blomberg begins by reviewing the first three quests, reassessing both their contributions and their shortcomings. He then discusses the emerging consensus regarding demonstrably historical portions of John, which are more numerous than usually assumed. Peeling back the layers, we discover in Jesus's ministry an emphasis on purity and purification. The Synoptics corroborate this discovery, specifically in Jesus's meals with sinners. Blomberg then explores the practical and contemporary applications of Jesus the purifier, including the "contagious holiness" that Jesus's followers can spread to others.

Craig Blomberg is distinguished professor emeritus of New Testament at Denver Seminary in Littleton, Colorado, where he has taught for more than thirty years.

Jackson Reinhardt is a graduate of University of Southern California and Vanderbilt University. He is currently an independent scholar, freelance writer, and research assistant. You can reach Jackson at jtreinhardt1997@gmail.com and follow him on Twitter @JTRhardt

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