Psalm 39:1

I said, I will take heed to my ways that I sin not with my tongue: I will keep my mouth with a bit while the wicked is against me.

1 Kings 2:4

that the LORD may confirm the word which he spoke concerning me, saying, If thy sons take heed to their way, walking before me in truth with all their heart and with all their soul, there shall not fail thee (said he) a man on the throne of Israel.

2 Kings 10:31

But Jehu took no heed to walk in the law of the LORD God of Israel with all his heart; neither did he depart from the sins of Jeroboam, who had caused Israel to sin.

1 Chronicles 16:41

and with them Heman and Jeduthun and the rest that were chosen expressly by name, to give thanks to the LORD, because his mercy is eternal.

Job 2:10

But he said unto her, Thou hast spoken as any of the foolish women speak. What? Shall we receive good at the hand of God and shall we not receive evil? In all this Job did not sin with his lips.

Psalm 62:1

Only in God does my soul rest; from him comes my saving health.

Psalm 119:9

BETH. With what shall a young man cleanse his way? when he shall keep thy word.

Psalm 141:3

Set a watch, O LORD, upon my mouth; keep the door of my lips.

1 Chronicles 25:1-6

Moreover David and the captains of the host separated unto the ministry the sons of Asaph and of Heman and of Jeduthun, who should prophesy with harps, with psalteries, and with cymbals; and the number of men that were suitable for the work of their respective ministry was,

Psalm 12:4

Who have said, With our tongue we will prevail; our lips are our own: who is lord over us?

Psalm 34:13

Mem Keep thy tongue from evil, and thy lips from speaking guile.

Psalm 73:8-9

They are lawless and speak wickedly of doing violence; they speak loftily.

Psalm 77:1

I cried unto God with my voice, even unto God with my voice; and he gave ear unto me.

Proverbs 4:26-27

Ponder the path of thy feet, and let all thy ways be established.

Proverbs 18:21

Death and life are in the power of the tongue, and those that love it shall eat its fruit.

Proverbs 21:23

Whosoever keeps his mouth and his tongue keeps his soul from troubles.

Amos 5:13

Therefore the prudent shall keep silence in that time, for it is an evil time.

Micah 7:5-6

Do not believe in a friend, do not trust in a prince; from her that lies at thy side, take care, open not thy mouth.

Colossians 4:5

Walk in wisdom towards outsiders, winning the occasion.

Hebrews 2:1

Therefore, it is necessary that we with more diligence keep the things which we have heard, so that we do not fall.

James 1:26

If anyone among you thinks to be religious and does not bridle his tongue, but deceives his own heart, his religion is vain.

James 3:2-8

For we all offend in many things. If any man offends not in word, the same is a perfect man, and able also to govern the whole body with restraint.

Treasury of Scripture Knowledge

Summary

{To the chief Musician, even to Jeduthun, A Psalm of David.} I said, I will take heed to my ways, that I sin not with my tongue: I will keep my mouth with a bridle, while the wicked is before me.

My mouth, etc

General references

Bible References

I said

Psalm 119:9
BETH. With what shall a young man cleanse his way? when he shall keep thy word.
1 Kings 2:4
that the LORD may confirm the word which he spoke concerning me, saying, If thy sons take heed to their way, walking before me in truth with all their heart and with all their soul, there shall not fail thee (said he) a man on the throne of Israel.
2 Kings 10:31
But Jehu took no heed to walk in the law of the LORD God of Israel with all his heart; neither did he depart from the sins of Jeroboam, who had caused Israel to sin.
Proverbs 4:26
Ponder the path of thy feet, and let all thy ways be established.
Hebrews 2:1
Therefore, it is necessary that we with more diligence keep the things which we have heard, so that we do not fall.

That i

Psalm 12:4
Who have said, With our tongue we will prevail; our lips are our own: who is lord over us?
Psalm 73:8
They are lawless and speak wickedly of doing violence; they speak loftily.
Psalm 141:3
Set a watch, O LORD, upon my mouth; keep the door of my lips.
Proverbs 18:21
Death and life are in the power of the tongue, and those that love it shall eat its fruit.
Proverbs 21:23
Whosoever keeps his mouth and his tongue keeps his soul from troubles.

My mouth, etc

James 1:26
If anyone among you thinks to be religious and does not bridle his tongue, but deceives his own heart, his religion is vain.
James 3:2
For we all offend in many things. If any man offends not in word, the same is a perfect man, and able also to govern the whole body with restraint.

While

Amos 5:13
Therefore the prudent shall keep silence in that time, for it is an evil time.
Micah 7:5
Do not believe in a friend, do not trust in a prince; from her that lies at thy side, take care, open not thy mouth.
Colossians 4:5
Walk in wisdom towards outsiders, winning the occasion.

General references

Proverbs 13:3
He that keeps his mouth keeps his life: but he that opens his lips often shall have calamity.
Isaiah 36:21
But they held their peace and did not answer him a word, for the king had commanded thus, saying, Answer him not.
James 3:3
Behold, we put bits (or restraint) in the horses' mouths to persuade them, and we govern their whole body.