Proverbs 13:3
Whoever guards his mouth preserves his life; he who opens wide his lips comes to ruin.
Proverbs 21:23
Whoever keeps his mouth and his tongue keeps himself out of trouble.
Proverbs 12:13
An evil man is ensnared by the transgression of his lips, but the righteous escapes from trouble.
Proverbs 18:7
A fool's mouth is his ruin, and his lips are a snare to his soul.
Proverbs 18:21
Death and life are in the power of the tongue, and those who love it will eat its fruits.
Psalm 39:1
I said, "I will guard my ways, that I may not sin with my tongue; I will guard my mouth with a muzzle, so long as the wicked are in my presence."
Proverbs 10:19
When words are many, transgression is not lacking, but whoever restrains his lips is prudent.
Proverbs 20:19
Whoever goes about slandering reveals secrets; therefore do not associate with a simple babbler.
Matthew 12:36-37
I tell you, on the day of judgment people will give account for every careless word they speak,
James 1:26
If anyone thinks he is religious and does not bridle his tongue but deceives his heart, this person's religion is worthless.
James 3:2-12
For we all stumble in many ways. And if anyone does not stumble in what he says, he is a perfect man, able also to bridle his whole body.