Revelation 2:16

Repent; otherwise I am coming to you quickly, and will fight against them with the sword of my mouth.

2 Thessalonians 2:8

then indeed will the lawless one be revealed, whom the Lord Jesus will remove by the spirit of his mouth, and will exterminate by the brightness of his coming;

Revelation 2:5

Remember therefore whence you have fallen, and repent, and do your first works; lest I come to you, and shall move your candlestick out of its place, if you do not repent.

Revelation 1:16

and having in his right hand seven stars: and out of his mouth is going forth a sharp two-edged sword: and his countenance like the sun shines in his strength.

Revelation 2:12

To the angel of the church in Pergamum write; The one having the sharp, two-edged sword says these things;

Acts 17:30-31

Then indeed God winking at the times of ignorance, now commands all men everywhere to repent:

Ephesians 6:17

And receive the helmet of salvation, and the sword of the Spirit, which is the word of God:

Revelation 2:21-22

And I gave her time that she might repent, and she does not wish to repent of her fornication.

Revelation 3:19

So many as I love, I rebuke and chastise; be zealous, and repent.

Revelation 16:9

And the people were scorched with a great heat, and blasphemed the name of God, Who has power over these plagues: and they did not repent to give him glory.

Revelation 19:15

And out of his mouth goes forth a sharp sword, that with it he may smite the nations; and he will shepherdize them with an iron rod: and he treads the winepress of the wrath of the indignation of God Almighty.

Revelation 19:21

And the rest were slain with the sword proceeding out from the mouth of him, the one sitting on the horse: and all the birds were filled with their flesh.

Revelation 22:7

Behold, I indeed am coming quickly. Blessed is the one keeping the words of the prophecy of this book.

Treasury of Scripture Knowledge

Summary

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

Bible References

Else

Revelation 2:5
Remember therefore whence you have fallen, and repent, and do your first works; lest I come to you, and shall move your candlestick out of its place, if you do not repent.

Will fight

Revelation 2:12
To the angel of the church in Pergamum write; The one having the sharp, two-edged sword says these things;
Revelation 1:16
and having in his right hand seven stars: and out of his mouth is going forth a sharp two-edged sword: and his countenance like the sun shines in his strength.
Revelation 19:15
And out of his mouth goes forth a sharp sword, that with it he may smite the nations; and he will shepherdize them with an iron rod: and he treads the winepress of the wrath of the indignation of God Almighty.
Ephesians 6:17
And receive the helmet of salvation, and the sword of the Spirit, which is the word of God:
2 Thessalonians 2:8
then indeed will the lawless one be revealed, whom the Lord Jesus will remove by the spirit of his mouth, and will exterminate by the brightness of his coming;