Psalm 140:3
They have sharpened their tongue like a serpent. Adders' poison is under their lips. Selah.
Psalm 58:4
Their poison is like the poison of a serpent, like the deaf adder that stops her ear,
Psalm 57:4
My soul is among lions. I lay among those who are set on fire, even the sons of men, whose teeth are spears and arrows, and their tongue a sharp sword.
Genesis 3:13
And LORD God said to the woman, What is this thou have done? And the woman said, The serpent beguiled me, and I ate.
Psalm 52:2-3
Thy tongue devises wickedness, like a sharp razor, working deceitfully.
Psalm 59:7
Behold, they belch out with their mouth. Swords are in their lips, for [they say], Who hears?
Psalm 64:3-4
who have whet their tongue like a sword, and have aimed their arrows, even bitter words,
Proverbs 12:18
There is he who speaks rashly like the piercings of a sword, but the tongue of the wise is health.
Isaiah 59:3-5
For your hands are defiled with blood, and your fingers with iniquity. Your lips have spoken lies. Your tongue mutters wickedness.
Isaiah 59:13
transgressing and denying LORD, and turning away from following our God, speaking oppression and revolt, conceiving and uttering from the heart words of falsehood.
Jeremiah 9:3
And they bend their tongue--their bow--for falsehood, and they have grown strong in the land, but not for truth. For they proceed from evil to evil, and they do not know me, says LORD.
Jeremiah 9:5
And they will deceive each one his neighbor, and will not speak the truth. They have taught their tongue to speak lies. They weary themselves to commit iniquity.
Matthew 12:34
Ye offspring of vipers, how can ye, being evil, speak good things? For out of the abundance of the heart the mouth speaks.
Romans 3:13-14
Their throat is an open grave. With their tongues they deceive. The poison of asps is under their lips,
2 Corinthians 11:3
But I fear lest somehow, as the serpent enticed Eve by his craftiness, so your thoughts might be corrupted from the simplicity in the Christ.
James 3:6-8
And the tongue is a fire, the world of unrighteousness. Thus, the tongue is made to lead among our body-parts, defiling the whole body, and setting the cycle of nature on fire, and being set on fire by hell.