Writing to the Corinthians, Paul expressed fear that they might be taken in by false teachers. “For if he who comes preaches another Jesus whom we have not preached, or if you receive a different spirit which you have not received, or a different gospel which you have not accepted — you may well put up with it!” (2 Corinthians 11:4, NKJV).
Paul’s concern wasn’t just hypothetical. The letter of 2 Corinthians reveals that false teachers were already at work in Corinth, and some of the disciples were already putting up with…