15:2 The tongue of the wise treats knowledge correctly,
but the mouth of the fool spouts out folly.
15:4 Speech that heals is like a life-giving tree,
but a perverse tongue breaks the spirit.
16:1 The intentions of the heart belong to a man,
but the answer of the tongue comes from the Lord.
17:28 Even a fool who remains silent is considered wise,
and the one who holds his tongue is deemed discerning.
18:21 Death and life are in the power of the tongue,
and those who love its use will eat its fruit.
21:6 Making a fortune by a lying tongue is like a vapor driven back and forth;
they seek death.
28:23 The one who reproves another will in the end find more favor
than the one who flatters with the tongue.