Revelation 2:16

Repent! but if not, I am coming to thee quickly, and will war against them with the sword of my mouth.

2 Thessalonians 2:8

And then that lawless person will appear, whom the Lord shall consume with the spirit of his mouth, and shall destroy with the brightness of his coming;

Revelation 2:5

Remember then from whence thou hast fallen, and repent, and practise thy first works; but if not, I am coming to thee quickly, and I will remove thy lamp out of its place, except thou repent.

Revelation 1:16

And he held in his right hand seven stars; and out of his mouth proceeded a sharp two-edged sword; and his countenance was as when the sun shineth in his meridian lustre.

Revelation 2:12

And to the angel of the church at Pergamos write, These things saith he who holdeth the sharp two-edged sword;

Acts 17:30-31

These times indeed of ignorance God then overlooked; but he now commands all men in every place to repent:

Ephesians 6:17

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

Revelation 2:21-22

And I gave her a space that she should repent of her whoredom, and she hath not repented.

Revelation 3:19

As many as I love, I rebuke and correct: be zealous then, and repent.

Revelation 16:9

And the men were scorched with a fierce heat, and they blasphemed the name of God, who had power over these plagues: and they repented not, to give him glory.

Revelation 19:15

And out of his mouth proceeded a sharp sword, that therewith he may smite the heathen and he will rule them with an iron sceptre: and he will tread the wine-press of the fury and of the wrath of God Almighty.

Revelation 19:21

And all the rest were slain with the sword of him that sat upon the horse, which issued from his mouth: and all the fowls were gorged with their carcasses.

Revelation 22:7

Behold, I come quickly! blessed is he that observeth 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 then from whence thou hast fallen, and repent, and practise thy first works; but if not, I am coming to thee quickly, and I will remove thy lamp out of its place, except thou repent.

Will fight

Revelation 2:12
And to the angel of the church at Pergamos write, These things saith he who holdeth the sharp two-edged sword;
Revelation 1:16
And he held in his right hand seven stars; and out of his mouth proceeded a sharp two-edged sword; and his countenance was as when the sun shineth in his meridian lustre.
Revelation 19:15
And out of his mouth proceeded a sharp sword, that therewith he may smite the heathen and he will rule them with an iron sceptre: and he will tread the wine-press of the fury and of the wrath of God Almighty.
Ephesians 6:17
And take the helmet of salvation, and the sword of the Spirit, which is the word of God:
2 Thessalonians 2:8
And then that lawless person will appear, whom the Lord shall consume with the spirit of his mouth, and shall destroy with the brightness of his coming;