Colossians 4:6

²⁹Let no corrupt speech proceed out of your mouth, but only what is good for building others up as the need may be, that it may give grace to those who hear.

¹⁵But sanctify the Lord God in your hearts. Always be ready to give an answer to everyone who asks you a reason concerning the hope that is in you, with humility and fear,

¹²The words of a wise man’s mouth are gracious; but a fool is swallowed by his own lips.

⁵⁰Salt is good, but if the salt has lost its saltiness, with what will you season it? Have salt in yourselves, and be at peace with one another.”

⁴A gentle tongue is a tree of life, but deceit in it crushes the spirit.

⁷The lips of the wise spread knowledge; not so with the heart of fools.

¹⁶Let the word of Christ dwell in you richly; in all wisdom teaching and admonishing one another with psalms, hymns, and spiritual songs, singing with grace in your heart to the Lord.

¹⁷Turn your ear, and listen to the words of the wise. Apply your heart to my teaching. ¹⁸For it is a pleasant thing if you keep them within you, if all of them are ready on your lips.

²¹The wise in heart shall be called prudent. Pleasantness of the lips promotes instruction. ²²Understanding is a fountain of life to one who has it, but the punishment of fools is their folly. ²³The heart of the wise instructs his mouth, and adds learning to his lips. ²⁴Pleasant words are a honeycomb, sweet to the soul, and health to the bones.

¹³“You are the salt of the earth, but if the salt has lost its flavor, with what will it be salted? It is then good for nothing, but to be cast out and trodden under the feet of men.