Revelation 1:16

and he had in his right hand seven stars, and out of his mouth there went a sharp two-edged sword; and his countenance was as the sun, when he shines in his strength.

Revelation 2:16

Reform, or otherwise, I will come to you quickly, and I will fight against them with the sword of my mouth.

Treasury of Scripture Knowledge

Summary

And his breath, as an overflowing stream, shall reach to the midst of the neck, to sift the nations with the sieve of vanity: and there shall be a bridle in the jaws of the people, causing them to err.

Bible References

His breath

Revelation 1:16
and he had in his right hand seven stars, and out of his mouth there went a sharp two-edged sword; and his countenance was as the sun, when he shines in his strength.
Revelation 2:16
Reform, or otherwise, I will come to you quickly, and I will fight against them with the sword of my mouth.