Revelation 2:5; Revelation 3:3; Revelation 18:5

Revelation 2:5

5 'Therefore remember from where you have fallen, and repent and do the deeds you did at first; or else I am coming to you and will remove your lampstand out of its place -unless you repent.

Revelation 3:3

3 'So remember what you have received and heard; and keep it, and repent. Therefore if you do not wake up, I will come like a thief, and you will not know at what hour I will come to you.

Revelation 18:5

5 for her sins have piled up as high as heaven, and God has remembered her iniquities.