Isaiah 49:2

49:2 He made my mouth like a sharp sword,

he hid me in the hollow of his hand;

he made me like a sharpened arrow,

he hid me in his quiver.

Hebrews 4:12

4:12 For the word of God is living and active and sharper than any double-edged sword, piercing even to the point of dividing soul from spirit, and joints from marrow; it is able to judge the desires and thoughts of the heart.

Revelation 1:16

1:16 He held seven stars in his right hand, and a sharp double-edged sword extended out of his mouth. His face shone like the sun shining at full strength.

Revelation 2:16

2:16 Therefore, repent! If not, I will come against you quickly and make war against those people with the sword of my mouth.

Revelation 19:15

19:15 From his mouth extends a sharp sword, so that with it he can strike the nations. He will rule them with an iron rod, and he stomps the winepress of the furious wrath of God, the All-Powerful.