With the truthfulness of the gospel established on eyewitness testimony of the apostles (1:16-18) and the OT Scriptures (1:19-21), Peter now moves to warn about the false teachers who threaten the church (2:1-10a).
Just as Israel had to deal with false prophets, so too the church must contend with false teachers who deny Christ through their sexual immorality and greed (2:1-3a). Peter assures his readers that the false teachers face certain judgment from God (2:3b-10a). Since God did not spare angels, the ancient world, or Sodom & Gomorrah but preserved righteous Noah and Lot, he knows how to rescue the godly from trials and punish the wicked.
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