1 Chronicles 29:9

Then the people were glad because their offerings were freely given, for with a true heart they freely gave what they had to the Lord; and David the king was full of joy.

1 Kings 8:61

Then let your hearts be without sin before the Lord our God, walking in his laws and keeping his orders as at this day.

Deuteronomy 16:10-11

Then keep the feast of weeks to the Lord your God, with an offering freely given to him from the wealth he has given you:

Judges 5:9

Come, you rulers of Israel, you who gave yourselves freely among the people: give praise to the Lord.

1 Chronicles 29:17

And I am conscious, my God, that you are the searcher of hearts, taking pleasure in righteousness. As for me, with an upright heart I have freely given all these things; and I have seen with joy your people who are here to make their offerings freely to you.

Proverbs 23:15-16

My son, if your heart becomes wise, I, even I, will be glad in heart;

Luke 15:6

And when he gets back to his house, he sends for his neighbours and friends, saying to them, Be glad with me, for I have got back my sheep which had gone away.

John 15:11

I have said these things to you so that I may have joy in you and so that your joy may be complete.

2 Corinthians 8:3

For I give them witness, that as they were able, and even more than they were able, they gave from the impulse of their hearts,

2 Corinthians 8:12

For if there is a ready mind, a man will have God's approval in the measure of what he has, and not of what he has not.

2 Corinthians 9:7-8

Let every man do after the purpose of his heart; not giving with grief, or by force: for God takes pleasure in a ready giver.

Philippians 4:10

But I am very glad in the Lord that your care for me has come to life again; though you did in fact take thought for me, but you were not able to give effect to it.

1 Thessalonians 3:6-9

But now that Timothy has come to us from you, and has given us good news of your faith and love, and that you have happy memories of us, desiring greatly to see us, even as we do to see you;

Philippians 2:15-17

So that you may be holy and gentle, children of God without sin in a twisted and foolish generation, among whom you are seen as lights in the world,

Philippians 4:1

So my brothers, well loved and very dear to me, my joy and crown, be strong in the Lord, my loved ones.

Treasury of Scripture Knowledge

Summary

Then the people rejoiced, for that they offered willingly, because with perfect heart they offered willingly to the LORD: and David the king also rejoiced with great joy.

General references

Bible References

They offered

Deuteronomy 16:10
Then keep the feast of weeks to the Lord your God, with an offering freely given to him from the wealth he has given you:
Judges 5:9
Come, you rulers of Israel, you who gave yourselves freely among the people: give praise to the Lord.
2 Corinthians 8:3
For I give them witness, that as they were able, and even more than they were able, they gave from the impulse of their hearts,
2 Corinthians 9:7
Let every man do after the purpose of his heart; not giving with grief, or by force: for God takes pleasure in a ready giver.

Perfect heart

1 Chronicles 29:17
And I am conscious, my God, that you are the searcher of hearts, taking pleasure in righteousness. As for me, with an upright heart I have freely given all these things; and I have seen with joy your people who are here to make their offerings freely to you.
1 Kings 8:61
Then let your hearts be without sin before the Lord our God, walking in his laws and keeping his orders as at this day.

David

Proverbs 23:15
My son, if your heart becomes wise, I, even I, will be glad in heart;
Luke 15:6
And when he gets back to his house, he sends for his neighbours and friends, saying to them, Be glad with me, for I have got back my sheep which had gone away.
John 15:11
I have said these things to you so that I may have joy in you and so that your joy may be complete.
Philippians 2:15
So that you may be holy and gentle, children of God without sin in a twisted and foolish generation, among whom you are seen as lights in the world,
Philippians 4:1
So my brothers, well loved and very dear to me, my joy and crown, be strong in the Lord, my loved ones.
1 Thessalonians 3:6
But now that Timothy has come to us from you, and has given us good news of your faith and love, and that you have happy memories of us, desiring greatly to see us, even as we do to see you;

General references

Exodus 35:21
And everyone whose heart was moved, everyone who was guided by the impulse of his spirit, came with his offering for the Lord, for whatever was needed for the Tent of meeting and its work and for the holy robes.

Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain