Set a watch, O LORD, before my mouth; keep the door of my lips.
Proverbs 10:19In the multitude of words there wanteth not sin: but he that refraineth his lips is wise.
Proverbs 15:4A wholesome tongue is a tree of life: but perverseness therein is a breach in the spirit.
Matthew 12:36But I say unto you, That every idle word that men shall speak, they shall give account thereof in the day of judgment.
Ephesians 4:29Let no corrupt communication proceed out of your mouth, but that which is good to the use of edifying, that it may minister grace unto the hearers.
Ephesians 5:6Let no man deceive you with vain words: for because of these things cometh the wrath of God upon the children of disobedience.
Colossians 3:8But now ye also put off all these; anger, wrath, malice, blasphemy, filthy communication out of your mouth.
James 1:26If any man among you seem to be religious, and bridleth not his tongue, but deceiveth his own heart, this man's religion is vain.
James 3:6And 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.