Words are powerful. Be careful with them.

The words of the reckless pierce like swords, but the tongue of the wise brings healing.
--Proverbs 12:18--

Gracious words are a honeycomb, sweet to the soul and healing to the bones.
--Proverbs 16:24--

The one who has knowledge uses words with restraint, and whoever has understanding is even-tempered.
--Proverbs 17:27--

The words of a gossip are like choice morsels; they go down to the inmost parts.

--Proverbs 18:8--

Anxiety weighs down the heart, but a kind word cheers it up.

--Proverbs 12:25--

A gentle answer turns away wrath, but a harsh word stirs up anger.

--Proverbs 15:1--