Titus 2:3

“Keep thy tongue from evil, and thy lips from speaking guile” – Psalms 34:13

“Thou lovest all devouring words, O thou deceitful tongue” – Psalms 52:4

“An hypocrite with his mouth destroyeth his neighbour: but through knowledge shall the just be delivered” – Proverbs 11:9 KJV

“Where no wood is, there the fire goeth out: so where there is no talebearer, the strife ceaseth” – Proverbs 26:20 KJV

“The beginning of the words of his mouth is foolishness: and the end of his talk is mischievous madness” – Ecclesiastes 10:13 KJV

“Likewise also these filthy dreamers defile the flesh, despise dominion, and speak evil of dignities” – Jude 1:8 KJV