Psalm 63:11

But the king shall rejoice in God. Everyone who swears by him will praise him, for the mouth of those who speak lies shall be silenced.

Deuteronomy 6:13

You shall fear the LORD your God; and you shall serve him only, and shall swear by his name.

Isaiah 45:23

By myself have I sworn, the word is gone forth from my mouth in righteousness, and shall not return, that to me every knee shall bow, every tongue shall swear to God.

Psalm 21:1

The king rejoices in your strength, LORD. How greatly he rejoices in your salvation.

Isaiah 65:16

so that he who blesses himself in the earth shall bless himself in the God of truth; and he who swears in the earth shall swear by the God of truth; because the former troubles are forgotten, and because they are hidden from my eyes.

Romans 3:19

Now we know that whatever things the law says, it speaks to those who are under the law, that every mouth may be closed, and all the world may be brought under the judgment of God.

1 Samuel 23:17

He said to him, "Do not be afraid; for the hand of Saul my father shall not find you; and you shall be king over Israel, and I shall be next to you; and that also Saul my father knows."

1 Samuel 24:20

Now, behold, I know that you shall surely be king, and that the kingdom of Israel shall be established in your hand.

Job 5:16

So the poor has hope, and injustice shuts her mouth.

Psalm 2:6

"Yet I have set my king on my holy hill of Zion."

Psalm 31:18

Let the lying lips be mute, which speak against the righteous insolently, with pride and contempt.

Psalm 107:42

The upright will see it, and be glad. All the wicked will shut their mouths.

Isaiah 19:18

In that day, there will be five cities in the land of Egypt that speak the language of Canaan, and swear loyalty to the LORD of hosts. One will be called the City of the Sun.

Zephaniah 1:5

those who worship the host of heaven on the housetops, those who worship and swear by the LORD and also swear by Malcam,

Titus 1:10-11

For there are also many unruly men, vain talkers and deceivers, especially those of the circumcision,

Hebrews 6:13

For when God made a promise to Abraham, since he could swear by none greater, he swore by himself,

Treasury of Scripture Knowledge

Summary

But the king shall rejoice in God; every one that sweareth by him shall glory: but the mouth of them that speak lies shall be stopped.

Bible References

The king

Psalm 2:6
"Yet I have set my king on my holy hill of Zion."
Psalm 21:1
The king rejoices in your strength, LORD. How greatly he rejoices in your salvation.
1 Samuel 23:17
He said to him, "Do not be afraid; for the hand of Saul my father shall not find you; and you shall be king over Israel, and I shall be next to you; and that also Saul my father knows."
1 Samuel 24:20
Now, behold, I know that you shall surely be king, and that the kingdom of Israel shall be established in your hand.

Sweareth

Deuteronomy 6:13
You shall fear the LORD your God; and you shall serve him only, and shall swear by his name.
Isaiah 19:18
In that day, there will be five cities in the land of Egypt that speak the language of Canaan, and swear loyalty to the LORD of hosts. One will be called the City of the Sun.
Isaiah 45:23
By myself have I sworn, the word is gone forth from my mouth in righteousness, and shall not return, that to me every knee shall bow, every tongue shall swear to God.
Isaiah 65:16
so that he who blesses himself in the earth shall bless himself in the God of truth; and he who swears in the earth shall swear by the God of truth; because the former troubles are forgotten, and because they are hidden from my eyes.
Zephaniah 1:5
those who worship the host of heaven on the housetops, those who worship and swear by the LORD and also swear by Malcam,
Hebrews 6:13
For when God made a promise to Abraham, since he could swear by none greater, he swore by himself,

The mouth

Psalm 31:18
Let the lying lips be mute, which speak against the righteous insolently, with pride and contempt.
Romans 3:19
Now we know that whatever things the law says, it speaks to those who are under the law, that every mouth may be closed, and all the world may be brought under the judgment of God.
Titus 1:10
For there are also many unruly men, vain talkers and deceivers, especially those of the circumcision,