The Crossway Podcast 3 Patterns That False Teachers Follow (Matthew Harmon)
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Mar 25, 2026 Matthew Harmon, New Testament professor and author, reads an audio essay tracing how false teachers mimic the serpent’s tactics. He outlines a three-step pattern from Genesis applied to later opponents: questioning Scripture, rejecting truth, and offering tempting alternatives. Harmon links these moves to Jesus’ wilderness temptations and to critics in 2 Peter and Jude.
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Belief And Behavior Are Inseparable
- Orthodoxy and orthopraxy are inseparable: right belief must flow into right living.
- Harmon emphasizes Peter and Jude expose opponents' behavior to protect the church, using moral evidence as doctrinal proof.
Different Audience Contexts Shape Responses
- Jude's audience likely knew Jewish traditions and noncanonical literature, while Peter's readers were in a Greco-Roman context.
- Harmon uses these contextual clues to explain differences in how each author addresses false teachers.
Identify False Teachers By Their Fruit
- Recognize false teachers by their fruit: moral corruption and lifestyle, not merely doctrinal claims.
- Harmon cites Jesus' Sermon on the Mount: healthy trees bear good fruit and diseased trees bear bad fruit as the identification rule.
