"But I say unto you, That every idle word that men shall speak, they shall give account thereof in the day of judgment." Matthew 12:36

"Do not let any unwholesome talk come out of your mouths, but only what is helpful for building others up according to their needs, that it may benefit those who listen." Ephesians 4:29 NIV

"But encourage one another day after day, as long as it is still called "Today." Hebrews 3:13 NASB

"Death and life are in the power of the tongue: and they that love it shall eat the fruit thereof." Proverbs 18:21

"Be not a witness against thy neighbor without cause; and deceive not with lips." Proverbs 24:28

"But as he hath called you is holy, so be ye holy in all manner of conversation; 1 Peter 1:15

"Pleasant words are as an honeycomb, sweet to the soul, and health to the bones." Proverbs 16:24

"The mouth of a righteous man is a well of life." Proverbs 15:23

"If 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 1:26

"Set a watch, O LORD, before my mouth; keep the door of my lips." Psalm 141:3

For he that will love life, and see good days, let him refrain his tongue from evil, and his lips that they speak no guile." 1 Peter 3:10

"A man hath joy by the answer of his mouth: and a word spoken in due season, how good is it! Proverbs 15:23

"A wholesome tongue is a tree of life; but perverseness therein is a breach in the spirit." Proverbs 15:4

"In the multitude of words there wanteth not sin: but he that restraineth his lips is wise." Proverbs 10:19

"Let all bitterness, and wrath, and anger, and clamour, and evil speaking, be put away from you, with all mailice: And be ye kind one to another, tenderhearted, forgiving one another, even as God for Christ's sake hath forgiven you." Ephesians 4: 31-32

"He that keepeth his mouth keepeth his life; but he that openeth wide his lips shall have destruction." Proverbs 13:3

"Whoso keepeth his mouth and his tongue, keepeth his soul from troubles." Proverbs 21:23

"Pleasant words are as an honeycomb, sweet to the soul, and health to the bones." Proverbs 24:16

"A word aptly spoken is like apples of gold in settings of silver." Proverbs 25:11 NIV

"For with the heart man believeth unto rightousness; and with the mouth confession is made unto salvation." Romans 10:10

"All the while my breath is in me, and the spirit of God is in my nostrils; My lips shall not speak wickedness, nor my tongue utter deceit."         Job 27: 3-4