A gossip goes around telling secrets, but those who are trustworthy can keep a confidence. (Proverbs 11:13 NLT)

Consider what a great forest is set on fire by a small spark. he tongue also is a fire, a world of evil among the parts of the body. It corrupts the whole body, sets the whole course of one's life on fire. (James 3:5-6 NIV)

To show perfect courtesy toward all people. (Titus 3:2b ESV)

Love is patient and kind. (1 Corinthians 13:4 ESV)

There is one who speaks like the piercings of a sword, but the tongue of the wise promotes health. (Proverbs 12:18)

A truly wise person uses few words; a person with understanding is even-tempered. (Proverbs 17:27 NLT)