Ecclesiastes 10:11
"Surely the serpent will bite without enchantment; and a babbler is no better."
Cross References (ranked by relevance)
For, behold, I will send serpents, cockatrices, among you, which will not be charmed, and they shall bite you, saith the LORD.
Who whet their tongue like a sword, and bend their bows to shoot their arrows, even bitter words:
Thy tongue deviseth mischiefs; like a sharp razor, working deceitfully.
And the tongue is a fire, a world of iniquity: so is the tongue among our members, that it defileth the whole body, and setteth on fire the course of nature; and it is set on fire of hell.
Death and life are in the power of the tongue: and they that love it shall eat the fruit thereof.