9 Anyone who runs ahead and does not abide in the teaching of Christ does not have God; he who abides in the teaching has both the Father and the Son.
10 If anyone comes to you and does not bring this teaching, do not receive him into your house or give him any greeting;
14 But I have a few things against you: you have some there who hold the teaching of Balaam, who taught Balak to put a stumbling block before the sons of Israel, to eat food sacrificed to idols and to practice sexual immorality.
15 So you also have those who hold to the teaching of the Nicolaitans.