“To the angel of the church in Thyatira write:
These are the words of the Son of God, whose eyes are like blazing fire and whose feet are like burnished bronze. 19 I know your deeds, your love and faith, your service and perseverance, and that you are now doing more than you did at first.
20 Nevertheless, I have this against you: You tolerate that woman Jezebel, who calls herself a prophet. By her teaching she misleads my servants into sexual immorality and the eating of food sacrificed to idols. (Revelation 2:18-20)
In many way the church in Thyatira was a good church. Jesus specifically commends them for their good works, their love, and their faith. Their works were not just temporary works that were done for show; they were done continually in “perserverance.” In fact, as time went on this church increased in it’s good works so that “you are now doing more than you did at first.”
But Jesus had a very serious criticism for this church: they had allowed a false teacher into their midst who practised and taught others to practice sexual immorality. This is an abominable thing to Christians. The warning that we need to take away from this passage is that it is very possible for good Christian churches to be targeted by false teachers who pretend to be orthodox. False teachers are like weeds that constantly try to spring up. The only way to keep them out of any church is by the same kind of constant vigilance that characterizes the gardener who is successful at keeping weeds out of his garden.