Psalm 52:2-4, “Your tongue devises destruction, Like a sharp razor, working deceitfully. You love evil more than good, Lying rather than speaking righteousness. Selah You love all devouring words, You deceitful tongue.” (NKJV)

Psalm 119:171-172, “Let my lips utter praise, For You teach me Your statutes. Let my tongue sing of Your word, For all Your commandments are righteousness.” (NASB)

Matthew 15:11, “It is not what enters into the mouth that defiles the man, but what proceeds out of the mouth, this defiles the man.” (NASB)

1 Peter 3:10, “For He who would love life And see good days, Let him refrain his tongue from evil, And his lips from speaking deceit.” (NKJV)

Revelation 14:5, “And no lie was found in their mouth; they are blameless.” (NASB)