Proverbs 5:2

that you may maintain discretion, that your lips may preserve knowledge.

Psalm 45:2

You are the most excellent of the sons of men. Grace has anointed your lips, therefore God has blessed you forever.

Psalm 71:15

My mouth will tell about your righteousness, and of your salvation all day, though I don't know its full measure.

Psalm 119:13

With my lips, I have declared all the ordinances of your mouth.

Proverbs 10:21

The lips of the righteous feed many, but the foolish die for lack of understanding.

Proverbs 15:2

The tongue of the wise commends knowledge, but the mouth of fools gush out folly.

Proverbs 15:7

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

Proverbs 16:23

The heart of the wise instructs his mouth, and adds learning to his lips.

Proverbs 20:15

There is gold and abundance of rubies; but the lips of knowledge are a rare jewel.

Song of Songs 4:11

Your lips, my bride, drip like the honeycomb. Honey and milk are under your tongue. The smell of your garments is like the smell of Lebanon.

Malachi 2:6-7

The law of truth was in his mouth, and unrighteousness was not found in his lips. He walked with me in peace and uprightness, and turned many away from iniquity.

Treasury of Scripture Knowledge

Summary

That thou mayest regard discretion, and that thy lips may keep knowledge.

General references

Bible References

Thy lips

Proverbs 10:21
The lips of the righteous feed many, but the foolish die for lack of understanding.
Proverbs 15:2
The tongue of the wise commends knowledge, but the mouth of fools gush out folly.
Proverbs 16:23
The heart of the wise instructs his mouth, and adds learning to his lips.
Proverbs 20:15
There is gold and abundance of rubies; but the lips of knowledge are a rare jewel.
Psalm 45:2
You are the most excellent of the sons of men. Grace has anointed your lips, therefore God has blessed you forever.
Psalm 71:15
My mouth will tell about your righteousness, and of your salvation all day, though I don't know its full measure.
Psalm 119:13
With my lips, I have declared all the ordinances of your mouth.
Song of Songs 4:11
Your lips, my bride, drip like the honeycomb. Honey and milk are under your tongue. The smell of your garments is like the smell of Lebanon.
Malachi 2:6
The law of truth was in his mouth, and unrighteousness was not found in his lips. He walked with me in peace and uprightness, and turned many away from iniquity.

General references

Proverbs 23:12
Apply your heart to instruction, and your ears to the words of knowledge.