Revelation 2:5

2:5 Therefore, remember from what high state you have fallen and repent! Do the deeds you did at the first; if not, I will come to you and remove your lampstand from its place – that is, if you do not repent.

Revelation 2:16

2:16 Therefore, repent! If not, I will come against you quickly and make war against those people with the sword of my mouth.