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 1:11

saying, Write what you are seeing in a book, and send it to the seven churches; unto Ephesus, and unto Smyrna, and unto Pergamum, and unto Thyatira, and unto Sardis, and unto Philadelphia, and unto Laodicea.

Revelation 2:16

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

Hebrews 4:12

For the word of God is living, and powerful, and sharper than any two-edged sword, and piercing unto the dividing of soul and spirit, of both joints and marrow, and a quick discerner of the thoughts and intents of the heart.

Revelation 2:1

To the angel who is in the church at Ephesus write; The one holding the seven stars in his right hand, the one walking about in the midst of the golden candlesticks, says these things;

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.

Treasury of Scripture Knowledge

Summary

And to the angel of the church in Pergamos write; These things saith he which hath the sharp sword with two edges;

Bible References

The angel

Revelation 2:1
To the angel who is in the church at Ephesus write; The one holding the seven stars in his right hand, the one walking about in the midst of the golden candlesticks, says these things;
Revelation 1:11
saying, Write what you are seeing in a book, and send it to the seven churches; unto Ephesus, and unto Smyrna, and unto Pergamum, and unto Thyatira, and unto Sardis, and unto Philadelphia, and unto Laodicea.

Which hath

Revelation 2:16
Repent; otherwise I am coming to you quickly, and will fight against them with the sword of my mouth.
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.
Hebrews 4:12
For the word of God is living, and powerful, and sharper than any two-edged sword, and piercing unto the dividing of soul and spirit, of both joints and marrow, and a quick discerner of the thoughts and intents of the heart.