Hebrews 4:12

For God's word is alive and active and sharper than any double-edged sword. It penetrates [deep enough] even to divide [a person's] soul [from his] spirit, and his joints [from his] bone marrow [Note: This is figurative language describing the penetrating effect of God's word into a person's spiritual, inner being] and is able to judge the thoughts and intentions of a person's heart.

Revelation 1:16

And He had seven stars in His right hand [See verse 20], and a sharp, double-edged sword came out of His mouth. And His face [shone] as the sun, shining in [all] its brilliance.

Revelation 2:12

"And write [this] to the angel of the church at Pergamum: These are the words of Him who has the sharp double-edged sword:

Treasury of Scripture Knowledge

Summary

But Ehud made him a dagger which had two edges, of a cubit length; and he did gird it under his raiment upon his right thigh.

Bible References

Two edges

Hebrews 4:12
For God's word is alive and active and sharper than any double-edged sword. It penetrates [deep enough] even to divide [a person's] soul [from his] spirit, and his joints [from his] bone marrow [Note: This is figurative language describing the penetrating effect of God's word into a person's spiritual, inner being] and is able to judge the thoughts and intentions of a person's heart.
Revelation 1:16
And He had seven stars in His right hand [See verse 20], and a sharp, double-edged sword came out of His mouth. And His face [shone] as the sun, shining in [all] its brilliance.
Revelation 2:12
"And write [this] to the angel of the church at Pergamum: These are the words of Him who has the sharp double-edged sword: