Proverbs 15:7
The lips of the wise will spread knowledge, but the heart of fools, not so.
Matthew 12:34
Offspring of vipers! How are you able to say good things [when you] are evil? For from the abundance of the heart the mouth speaks.
Psalm 37:30
[The] mouth of [the] righteous utters wisdom, and his tongue speaks justice.
Psalm 45:2
You are [the most] handsome of [the] sons of humankind; grace is poured out on your lips; therefore God has blessed you forever.
Psalm 51:13-15
[Then] I will teach transgressors your ways, and sinners will turn back to you.
Psalm 71:15-18
My mouth will tell of your righteousness, your salvation {all day long}, though I do not know [the full] sum [of them].
Psalm 78:2-6
I will offer a parable [with] my mouth. I will pour out riddles from long ago,
Psalm 119:13
With my lips I have told [of] all the ordinances of your mouth.
Proverbs 10:20-21
Choice silver is a tongue of righteousness, a heart of wickedness is {of little worth}.
Ecclesiastes 12:9-10
The Teacher was full of wisdom, and he taught the people with knowledge. He carefully considered many proverbs and carefully arranged them.
Song of Songs 4:11
Your lips drip nectar, [my] bride; honey and milk [are] under your lips; the scent of your garments [is] like the scent of Lebanon.
Matthew 10:27
What I say to you in the dark, tell in the light, and what you hear in your ear, proclaim on the housetops.
Matthew 28:18-20
And Jesus approached [and] spoke to them, saying, "All authority in heaven and on earth has been given to me.
Mark 16:15
And he said to them, "Go into all the world [and] preach the gospel to all creation.
Acts 18:9-10
And the Lord said to Paul by a vision in the night, "Do not be afraid, but speak and do not keep silent,
Romans 10:14-17
How then will they call upon [him] in whom they have not believed? And how will they believe [in him] about whom they have not heard? And how will they hear about [him] without one who preaches [to them]?
Romans 15:18-21
For I will not dare to speak about anything except [that] which Christ has accomplished through me, resulting in the obedience of the Gentiles by word and deed,
Ephesians 4:29
{No rotten word must proceed} from your mouth, but only something good for the building up of the need, in order that it may give grace to those who hear,
2 Timothy 2:2
and [the things] which you have heard from me in the presence of many witnesses, entrust these [things] to faithful people who will be competent to teach others also.
James 3:6
And the tongue [is] a fire! The world of unrighteousness, the tongue, is set among our members, defiling the whole body and setting on fire {the course of human existence}, being set on fire by hell.