Proverbs 13:3
He that guardeth his mouth keepeth his soul; destruction shall be to him that openeth wide his lips.
Proverbs 21:23
Whoso keepeth his mouth and his tongue keepeth his soul from troubles.
Proverbs 12:13
In the transgression of the lips is an evil snare; but a righteous man shall go forth out of trouble.
Proverbs 18:7
A fool's mouth is destruction to him, and his lips are a snare to his soul.
Proverbs 18:21
Death and life are in the power of the tongue, and they that love it shall eat the fruit thereof.
Psalm 39:1
{To the chief Musician, to Jeduthun. A Psalm of David.} I said, I will take heed to my ways, that I sin not with my tongue: I will keep my mouth with a muzzle, while the wicked is before me.
Proverbs 10:19
In the multitude of words there wanteth not transgression; but he that restraineth his lips doeth wisely.
Proverbs 20:19
He that goeth about talebearing revealeth secrets; therefore meddle not with him that openeth his lips.
Matthew 12:36-37
But I say unto you, that every idle word which men shall say, they shall render an account of it in judgment-day:
James 1:26
If any one think himself to be religious, not bridling his tongue, but deceiving his heart, this man's religion is vain.
James 3:2-12
For we all often offend. If any one offend not in word, he is a perfect man, able to bridle the whole body too.