Revelation 2:6
But you have this [in your favor]: You hate the [evil] deeds of the Nicolaitans, which I also hate [Note: These people were probably followers of someone named Nicolas and were known to be false teachers. See verse 15].
2 John 1:9-10
Every person who does not continue to follow the teaching of Christ, but goes beyond it, does not have God [in his life]. [But], the person who continues to follow in the teaching [of Christ] has both the Father and the Son [in his life].
Revelation 2:14-15
"But I have a few things against you because you have people there [in the church] who hold to the teaching of Balaam, who taught Balak to place a stumblingblock in front of the Israelites, [causing them] to eat food sacrificed to idols and to be sexually immoral [See Num. 23-24].