Revelation 2:5

2:5 Remember therefore from whence thou art fallen, and repent, and do the first works; or else I will come unto thee quickly, and will remove thy candlestick out of his place, except thou repent.

Revelation 2:16

2:16 Repent; or else I will come unto thee quickly, and will fight against them with the sword of my mouth.

Revelation 2:21-22

2:21 And I gave her space to repent of her fornication; and she repented not. 2:22 Behold, I will cast her into a bed, and them that commit adultery with her into great tribulation, except they repent of their deeds.