Deuteronomy 23:21

When you shall vow a vow unto the LORD your God, you shall not delay to pay it: for the LORD your God will surely require it of you; and it would be sin to you.

Ecclesiastes 5:4-5

When you vow a vow unto God, defer not to pay it; for he has no pleasure in fools: pay that which you have vowed.

Deuteronomy 23:18

You shall not bring the wages of a harlot, or the price of a dog, into the house of the LORD your God for any vow: for even both of these are an abomination unto the LORD 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 unto the LORD your God: let all that be round about him bring presents unto him that ought to be feared.

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

Leviticus 27:2-34

Speak unto the children of Israel, and say unto them, When a man shall make a special vow of persons to the LORD at your valuation,

Numbers 30:1-16

And Moses spoke unto the heads of the tribes concerning the children of Israel, saying, This is the thing which the LORD has commanded.

Psalm 56:12

Your vows are upon me, O God: I will render praises unto you.

Psalm 116:18

I will pay my vows unto the LORD now in the presence of all his people,

Jonah 1:16

Then the men feared the LORD exceedingly, and offered a sacrifice unto the LORD, and made vows.

Jonah 2:9

But I will sacrifice unto you with the voice of thanksgiving; I will pay that that I have vowed. Salvation is of the LORD.

Nahum 1:15

Behold upon the mountains the feet of him that brings good tidings, that publishes peace! O Judah, keep your solemn feasts, perform your vows: for the wicked shall no more pass through you; he is utterly cut off.

Matthew 5:33

Again, you have heard that it has been said by them of old time, You shall not perjure yourself, but shall perform unto the Lord your oaths:

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 wages of a harlot, or the price of a dog, into the house of the LORD your God for any vow: for even both of these are an abomination unto the LORD 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 unto Jacob, Arise, go up to Bethel, and dwell there: and make there an altar unto God, who appeared unto you when you fled from the face of Esau your brother.
Leviticus 27:2
Speak unto the children of Israel, and say unto them, When a man shall make a special vow of persons to the LORD at your valuation,
Numbers 30:2
If a man vows a vow unto the LORD, or swears an oath to bind his soul with a bond; he shall not break his word, he shall do according to all that proceeds out of his mouth.
Psalm 56:12
Your vows are upon me, O God: I will render praises unto 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 unto the LORD your God: let all that be round about him bring presents unto him that ought to be feared.
Psalm 116:18
I will pay my vows unto the LORD now in the presence of all his people,
Ecclesiastes 5:4
When you vow a vow unto God, defer not to pay it; for he has no pleasure in fools: pay that which you have vowed.
Jonah 1:16
Then the men feared the LORD exceedingly, and offered a sacrifice unto the LORD, and made vows.
Jonah 2:9
But I will sacrifice unto you with the voice of thanksgiving; I will pay that that I have vowed. Salvation is of the LORD.
Nahum 1:15
Behold upon the mountains the feet of him that brings good tidings, that publishes peace! O Judah, keep your solemn feasts, perform your vows: for the wicked shall no more pass through you; he is utterly cut off.