Revelation 2:16

So repent, or else I will quickly come and make war upon them with the sword that comes from my mouth.

2 Thessalonians 2:8

Then the representative of lawlessness will be uncovered, and the Lord Jesus will destroy him with the breath of His mouth and put a stop to his operations by His appearance and coming;

Revelation 2:5

So remember the heights from which you have fallen, and repent and do as you did at first, or else I will surely come and move your lampstand from its place -- if you do not repent.

Revelation 1:16

In His right hand He was holding seven stars, and a sharp, double-edged sword was coming out of His mouth, and His face was shining like the sun at midday.

Revelation 2:12

"To the messenger of the church in Pergamum write: 'The One who is wielding the sharp, double-edged sword speaks as follows:

Acts 17:30-31

Though God overlooked those times of ignorance, He now commands all men everywhere to repent,

Ephesians 6:17

take the helmet salvation provides, and take the sword the Spirit wields, which is the word of God.

Revelation 2:21-22

I have given her time to repent, but she refuses to repent of her immorality.

Revelation 3:19

The people whom I dearly love, I always reprove and discipline. So keep on being earnest and once for all repent.

Revelation 16:9

so that men were severely scorched, but they only cursed the name of God who had authority over these plagues, and would not repent and give Him glory.

Revelation 19:15

From His mouth shot a sharp sword, so that He could smite the nations with it. He will rule them with a scepter of iron, and will tread the wine press of the raging wrath of the Almighty God.

Revelation 19:21

The rest were killed with the sword that shot from the mouth of the horse's Rider, and all the birds were gorged with their flesh.

Revelation 22:7

See! I am coming soon! Blessed is he who practices the truths of prophecy contained in 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
So remember the heights from which you have fallen, and repent and do as you did at first, or else I will surely come and move your lampstand from its place -- if you do not repent.

Will fight

Revelation 2:12
"To the messenger of the church in Pergamum write: 'The One who is wielding the sharp, double-edged sword speaks as follows:
Revelation 1:16
In His right hand He was holding seven stars, and a sharp, double-edged sword was coming out of His mouth, and His face was shining like the sun at midday.
Revelation 19:15
From His mouth shot a sharp sword, so that He could smite the nations with it. He will rule them with a scepter of iron, and will tread the wine press of the raging wrath of the Almighty God.
Ephesians 6:17
take the helmet salvation provides, and take the sword the Spirit wields, which is the word of God.
2 Thessalonians 2:8
Then the representative of lawlessness will be uncovered, and the Lord Jesus will destroy him with the breath of His mouth and put a stop to his operations by His appearance and coming;