Deuteronomy 23:21

When you shall vow a vow to Jehovah your God, you shall not wait to pay it, for Jehovah your God will surely require it of you, and it would be sin in you.

Ecclesiastes 5:4-5

When you vow a vow to God, do not wait to pay it. For He has no pleasure in fools. Pay that which you have vowed.

Deuteronomy 23:18

You shall not bring the hire of a harlot, or the price of a dog, into the house of Jehovah your God for any vow. For even both these are hateful to Jehovah your God.

Psalm 66:13-14

I will go into Your house with burnt offerings; I will pay You my vows,

Psalm 76:11

Vow, and pay to Jehovah your God; let all that are around Him bring presents to the Fearful One.

Genesis 28:20

And Jacob vowed a vow, saying, If God will be with me, and will keep me in this way that I go, and will give me bread to eat and clothing to put on,

Genesis 35:1-3

And God said to Jacob, Arise, go up to Bethel, and live there. And make an altar there to God, who appeared to you when you fled from the face of Esau your brother.

Leviticus 27:2-34

Speak to the sons of Israel and say to them, When a man shall make a special vow, the persons shall be for Jehovah by your evaluation.

Numbers 30:1-16

And Moses spoke to the heads of the tribes concerning the sons of Israel, saying, This is the thing which Jehovah has commanded:

Psalm 56:12

Your vows are on me, O God; I will give praises to You.

Psalm 116:18

I will pay my vows to Jehovah now in the presence of all His people,

Jonah 1:16

Then the men feared Jehovah exceedingly, and offered a sacrifice to Jehovah, and vowed vows.

Jonah 2:9

but I will sacrifice to You with the voice of thanksgiving; I will fulfill that which I have vowed. Salvation belongs to Jehovah!

Nahum 1:15

Behold upon the mountains the feet of Him who brings good news, making it heard, Peace! O Judah, keep your appointed feasts, fulfill your vows; for the wicked shall pass through you no more; he is completely cut off.

Matthew 5:33

Again, you have heard that it has been said to the ancients, "You shall not swear falsely, but you shall perform your oaths to the Lord."

Treasury of Scripture Knowledge

Summary

When thou shalt vow a vow unto the LORD thy God, thou shalt not slack to pay it: for the LORD thy God will surely require it of thee; and it would be sin in thee.

Bible References

General references

Deuteronomy 23:18
You shall not bring the hire of a harlot, or the price of a dog, into the house of Jehovah your God for any vow. For even both these are hateful to Jehovah your God.
Genesis 28:20
And Jacob vowed a vow, saying, If God will be with me, and will keep me in this way that I go, and will give me bread to eat and clothing to put on,
Genesis 35:1
And God said to Jacob, Arise, go up to Bethel, and live there. And make an altar there to God, who appeared to you when you fled from the face of Esau your brother.
Leviticus 27:2
Speak to the sons of Israel and say to them, When a man shall make a special vow, the persons shall be for Jehovah by your evaluation.
Numbers 30:2
If a man vows a vow to Jehovah, or swears an oath to bind his soul with a bond, he shall not break his word. He shall do according to all that comes out of his mouth.
Psalm 56:12
Your vows are on me, O God; I will give praises to You.
Psalm 66:13
I will go into Your house with burnt offerings; I will pay You my vows,
Psalm 76:11
Vow, and pay to Jehovah your God; let all that are around Him bring presents to the Fearful One.
Psalm 116:18
I will pay my vows to Jehovah now in the presence of all His people,
Ecclesiastes 5:4
When you vow a vow to God, do not wait to pay it. For He has no pleasure in fools. Pay that which you have vowed.
Jonah 1:16
Then the men feared Jehovah exceedingly, and offered a sacrifice to Jehovah, and vowed vows.
Jonah 2:9
but I will sacrifice to You with the voice of thanksgiving; I will fulfill that which I have vowed. Salvation belongs to Jehovah!
Nahum 1:15
Behold upon the mountains the feet of Him who brings good news, making it heard, Peace! O Judah, keep your appointed feasts, fulfill your vows; for the wicked shall pass through you no more; he is completely cut off.