18 There is one whose rash words are like sword thrusts, but the tongue of the wise brings healing.
4 A gentle tongue is a tree of life, but perverseness in it breaks the spirit.
20 From the fruit of a man's mouth his stomach is satisfied; he is satisfied by the yield of his lips. 21 Death and life are in the power of the tongue, and those who love it will eat its fruits.
29 Let no corrupting talk come out of your mouths, but only such as is good for building up, as fits the occasion, that it may give grace to those who hear.
10 For "Whoever desires to love life and see good days, let him keep his tongue from evil and his lips from speaking deceit;