Proverbs 15:7

The lips of the righteous send forth knowledge, but the heart of the foolish is not so.

Matthew 12:34

Offspring of vipers! How can you, being evil, speak good things? For out of the abundance of the heart the mouth speaks.

Psalm 37:30

The mouth of the righteous speaks wisdom, and his tongue talks of judgment.

Psalm 45:2

You are the fairest of the sons of men; grace is poured into Your lips; therefore God has blessed You forever.

Psalm 51:13-15

Then I will teach transgressors Your ways; and sinners shall be converted to You.

Psalm 71:15-18

My mouth shall show forth Your righteousness and Your salvation all the day; for I do not know how many they are.

Psalm 78:2-6

I will open my mouth in a parable; I will speak dark sayings of old,

Psalm 119:13

With my lips I have declared all the judgments of Your mouth.

Proverbs 10:20-21

The tongue of the just is as choice silver; the heart of the wicked is worth little.

Ecclesiastes 12:9-10

And more than that, the preacher was wise; he still taught the people knowledge. Yes, he listened, and looked, and set in order many proverbs.

Song of Songs 4:11

Your lips, My spouse, drop like the honeycomb; honey and milk are under your tongue; and the smell of your garments is like the smell of Lebanon.

Matthew 10:27

What I tell you in darkness, speak in the light; and what you hear, proclaim on the housetops.

Matthew 28:18-20

And Jesus came and spoke to them, saying, All authority is given to Me in Heaven and in earth.

Mark 16:15

And He said to them, Go into all the world, proclaim the gospel to all the creation.

Acts 18:9-10

And the Lord spoke to Paul in the night by a vision, Do not be afraid, but speak, and be not silent.

Romans 10:14-17

How then shall they call on Him in whom they have not believed? And how shall they believe in Him of whom they have not heard? And how shall they hear without preaching?

Romans 15:18-21

For I will not dare to speak of any of those things which Christ did not work out by me for the obedience of the nations in word and deed,

Ephesians 4:29

Let not any filthy word go out of your mouth, but if any is good to building up in respect of need, that it may give grace to the ones hearing.

2 Timothy 2:2

And the things that you have heard from me among many witnesses, commit the same to faithful men who will be able to teach others also.

James 3:6

And the tongue is a fire, a world of iniquity. So the tongue is set among our members, spotting all the body and inflaming the course of nature, and being inflamed by hell.

Treasury of Scripture Knowledge

Bible References

Lips

Psalm 37:30
The mouth of the righteous speaks wisdom, and his tongue talks of judgment.
Psalm 45:2
You are the fairest of the sons of men; grace is poured into Your lips; therefore God has blessed You forever.
Psalm 51:13
Then I will teach transgressors Your ways; and sinners shall be converted to You.
Psalm 71:15
My mouth shall show forth Your righteousness and Your salvation all the day; for I do not know how many they are.
Psalm 78:2
I will open my mouth in a parable; I will speak dark sayings of old,
Psalm 119:13
With my lips I have declared all the judgments of Your mouth.
Ecclesiastes 12:9
And more than that, the preacher was wise; he still taught the people knowledge. Yes, he listened, and looked, and set in order many proverbs.
Song of Songs 4:11
Your lips, My spouse, drop like the honeycomb; honey and milk are under your tongue; and the smell of your garments is like the smell of Lebanon.
Matthew 10:27
What I tell you in darkness, speak in the light; and what you hear, proclaim on the housetops.
Matthew 28:18
And Jesus came and spoke to them, saying, All authority is given to Me in Heaven and in earth.
Mark 16:15
And He said to them, Go into all the world, proclaim the gospel to all the creation.
Acts 18:9
And the Lord spoke to Paul in the night by a vision, Do not be afraid, but speak, and be not silent.
Romans 10:14
How then shall they call on Him in whom they have not believed? And how shall they believe in Him of whom they have not heard? And how shall they hear without preaching?
Romans 15:18
For I will not dare to speak of any of those things which Christ did not work out by me for the obedience of the nations in word and deed,
Ephesians 4:29
Let not any filthy word go out of your mouth, but if any is good to building up in respect of need, that it may give grace to the ones hearing.
2 Timothy 2:2
And the things that you have heard from me among many witnesses, commit the same to faithful men who will be able to teach others also.

The heart

Proverbs 10:20
The tongue of the just is as choice silver; the heart of the wicked is worth little.
Matthew 12:34
Offspring of vipers! How can you, being evil, speak good things? For out of the abundance of the heart the mouth speaks.
James 3:6
And the tongue is a fire, a world of iniquity. So the tongue is set among our members, spotting all the body and inflaming the course of nature, and being inflamed by hell.

General references

Psalm 37:30
The mouth of the righteous speaks wisdom, and his tongue talks of judgment.