'So then, my beloved brethren, let every man be swift to hear, slow to speak, slow to wrath; '

James 1:19

'Death and life are in the power of the tongue, And those who love it will eat its fruit.'

Proverbs 18:21

'In the multitude of words sin is not lacking, But he who restrains his lips is wise.'

Proverbs 10:19

'But I say to you that for every idle word men may speak, they will give account of it in the day of judgment. For by your words you will be justified, and by your words you will be condemned.”'

Matthew 12:36-37

Do not let your mouth cause your flesh to sin, nor say before the messenger of God that it was an error. Why should God be angry at your excuse and destroy the work of your hands? '

Ecclesiastes 5:6

A good man out of the good treasure of his heart brings forth good; and an evil man out of the evil treasure of his heart brings forth evil. For out of the abundance of the heart his mouth speaks.'

Luke 6:45

'But what does it say? “The word is near you, in your mouth and in your heart” (that is, the word of faith which we preach): '

Romans 10:8

Deuteronomy 30:14

But the word is very near you, in your mouth and in your heart, that you may do it.

Thy word have I hid in mine heart, that I might not sin against thee.

Psalm 119:11

To the law and to the testimony! If they do not speak according to this word, it is because there is no light in them.

Isaiah 8:20

And since we have the same spirit of faith, according to what is written, “I believed and therefore I spoke,” we also believe and therefore speak, 

II Corinthians 4:13

Set a guard, O Lord , over my mouth; Keep watch over the door of my lips.

Psalms 141:3