Proverbs 13:3
He who guards his mouth keeps his life. He who opens wide his lips shall have destruction.
Proverbs 21:23
He who keeps his mouth and his tongue keeps his soul from troubles.
Proverbs 12:13
A wicked man is snared by the transgression of [his] lips, but the righteous shall come out of trouble.
Proverbs 18:7
A fool's mouth is his destruction, and his lips are the snare of his soul.
Proverbs 18:21
Death and life are in the power of the tongue, and those who love it shall eat the fruit of it.
Psalm 39:1
I said, I will take heed to my ways, that I sin not with my tongue. I will keep my mouth with a bridle while the wicked man is before me.
Proverbs 10:19
Transgression is not lacking in the multitude of words, but he who refrains his lips does wisely.
Proverbs 20:19
He who goes about as a tale-bearer reveals secrets. Therefore do not associate with him who opens wide his lips.
Matthew 12:36-37
But I say to you, that every idle word, whatever men may speak, they will render account about it in the day of judgment.
James 1:26
If any man among you seems to be religious, not bridling his tongue but deceiving his heart, this man's religion is futile.
James 3:2-12
For we all stumble in many things. If any man does not stumble in word, this is a perfect man, able also to bridle the whole body.