Before a word is on my tongue you know it completely, O Lord

Psalm 139:4

When words are many, sin is not absent, but he who holds his tongue is wise.

Proverbs 10:19

Reckless words pierce like a sword, but the tongue of the wise brings healing.

Proverbs 12: 18

The tongue that brings healing is a tree of life,

but a deceitful tongue crushes the spirit.

Proverbs 15:4

The tongue has the power of life and death…

Proverbs 18:21

If anyone considers himself religious and yet does not keep a tight rein on his tongue, he deceives himself and his Religion is worthless.

James 1:26

[Jesus said,] “What goes into a man's mouth does not make him 'unclean,' but what comes out of his mouth, that is what makes him' unclean.'”

Matthew 15:11

Whoever would love life and see good days

must keep his tongue from evil and his lips from deceitful speech. 1 Peter 3:10

My tongue will speak of your righteousness and of your praises all day long.

Psalms 35:28

Speak to one another with psalms, hymns and spiritual songs. Sing and make music in your heart to the Lord, always giving thanks to God the Father for everything, in the name of our Lord Jesus Christ.

Ephesians 5:19-20

Do not let any unwholesome talk come out of your mouths, but only what is helpful for building others up according to their needs…

Ephesians 4:29