Psalms 34:13
"Keep thy tongue from evil, and thy lips from speaking guile" - Psalms 34:13
Psalms 52:4
"Thou lovest all devouring words, O thou deceitful tongue" - Psalms 52:4
Matthew 12:36
"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 KJV
1 Corinthians 4:13
"Being defamed, we intreat: we are made as the filth of the world, and are the offscouring of all things unto this day" - 1 Corinthians 4:13 KJV
Ephesians 4:31
"Let all bitterness, and wrath, and anger, and clamour, and evil speaking, be put away from you, with all malice:" - Ephesians 4:31 KJV