Some people claim to speak for God but actually deny that Jesus came as a real, physical person. The verse calls these people deceivers and even uses the word "antichrist" for them. The Greek word planos means someone who leads others off course, not just someone who’s wrong. This pushes back against the idea that it doesn’t matter what you believe about Jesus, or that spiritual truth is just about ideas and not reality. In the ancient world, some taught that Jesus was just a spirit or an idea, not a real human being. This verse insists that what’s true about Jesus—his real, physical life—matters for everything else. For anyone who’s skeptical about religious claims or who’s heard conflicting stories about Jesus, this verse says that truth isn’t just about opinions or feelings. It’s about what actually happened, and who Jesus really was. Being honest about that matters, even if it’s uncomfortable or unpopular.