Ephesians 6:17
17 and take sthe helmet of salvation, and xthe sword of the Spirit, which is the word of God,
Hebrews 4:12
12 For wthe word of God is living and xactive, ysharper than any ztwo-edged sword, piercing to the division of soul and of spirit, of joints and of marrow, and adiscerning the thoughts and intentions of the heart.