Revelation 2:14

2:14 But I have a few things against you: You have some people there who follow the teaching of Balaam, who instructed Balak to put a stumbling block before the people of Israel so they would eat food sacrificed to idols and commit sexual immorality.

Revelation 2:21

2:21 I have given her time to repent, but she is not willing to repent of her sexual immorality.