Revelation 2:5 NIV

Revelation 2:16 NIV
Repent therefore! Otherwise, I will soon come to you and will fight against them with the sword of my mouth.

Revelation 3:19 NIV
Those whom I love I rebuke and discipline. So be earnest and repent.

Revelation 3:2-3 NIV
Wake up! Strengthen what remains and is about to die, for I have found your deeds unfinished in the sight of my God. Remember, therefore, what you have received and heard; hold it fast, and repent. But if you do not wake up, I will come like a thief, and you will not know at what time I will come to you.