James 3:8
but no man can tame the tongue, which is an evil that cannot be restrained and is full of deadly poison.
Psalm 140:3
They have sharpened their tongue like a serpent; adders' poison is under their lips. Selah.
Romans 3:13
Their throat is an open sepulchre; with their tongues they have used deceit; the poison of asps is under their lips,
Ecclesiastes 10:11
If the serpent bites without being enchanted, then the babbler is no more.
Deuteronomy 32:33
Their wine is the poison of dragons and the cruel venom of asps.
Psalm 55:21
The words of his mouth were smoother than butter, but war was in his heart; his words were softer than oil, yet they were drawn swords.
Psalm 57:4
My soul is among lions, and I lie even among those that are set on fire, even the sons of men, whose teeth are spears and arrows and their tongue a sharp sword.
Psalm 58:4
Their poison is like the poison of a serpent; they are like the deaf adder that stops her ear,
Psalm 59:7
Behold, they belch out with their mouth; swords are in their lips; for who, say they, doth hear?
Psalm 64:3-4
Who whet their tongue like a sword and bend their bows to shoot their arrows, even bitter words
James 3:6
And the tongue is a fire, a world of iniquity: so is the tongue among our members, that it defiles the whole body and sets on fire the course of our nature; and it is set on fire of hell.
Revelation 12:9
And the great dragon was cast out, the serpent of old, who is called Devil and the Satan, who deceives the whole world; he was cast out into the earth, and his angels were cast out with him.