1 Chronicles 29:9

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

1 Kings 8:61

Let your heart therefore be perfect with the LORD our God, to walk in his statutes, and to keep his commandments, as at this day.

Deuteronomy 16:10-11

And you shall keep the feast of weeks unto the LORD your God with a tribute of a freewill offering of your hand, which you shall give unto the LORD your God, according as the LORD your God has blessed you:

Judges 5:9

My heart is toward the rulers of Israel, that offered themselves willingly among the people. Bless you the LORD.

1 Chronicles 29:17

I know also, my God, that you test the heart, and have pleasure in uprightness. As for me, in the uprightness of my heart I have willingly offered all these things: and now have I seen with joy your people, who are present here, to offer willingly unto you.

Psalm 110:3

Your people shall be willing in the day of your power, in the beauties of holiness from the womb of the morning: you have the dew of your youth.

Proverbs 23:15-16

My son, if your heart is wise, my heart shall rejoice, even mine.

Luke 15:6

And when he comes home, he calls together his friends and neighbors, saying unto them, Rejoice with me; for I have found my sheep which was lost.

John 15:11

These things have I spoken unto you, that my joy might remain in you, and that your joy might be full.

2 Corinthians 8:3

For to their ability, I bear record, yea, and beyond their ability they were willing of themselves;

2 Corinthians 8:12

For if there be first a willing mind, it is accepted according to what a man has, and not according to what he has not.

2 Corinthians 9:7-8

Every man according as he purposes in his heart, so let him give; not grudgingly, or of necessity: for God loves a cheerful giver.

Philippians 4:10

But I rejoiced in the Lord greatly, that now at the last your care of me has flourished again; in which you were also concerned, but you lacked opportunity.

1 Thessalonians 3:6-9

But now when Timothy came from you unto us, and brought us good tidings of your faith and love, and that you have good remembrance of us always, desiring greatly to see us, as we also to see you:

Philippians 2:15-17

That you may be blameless and harmless, the sons of God, without rebuke, in the midst of a crooked and perverse nation, among whom you shine as lights in the world;

Philippians 4:1

Therefore, my brethren, dearly beloved and longed for, my joy and crown, so stand fast in the Lord, my dearly beloved.

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
And you shall keep the feast of weeks unto the LORD your God with a tribute of a freewill offering of your hand, which you shall give unto the LORD your God, according as the LORD your God has blessed you:
Judges 5:9
My heart is toward the rulers of Israel, that offered themselves willingly among the people. Bless you the LORD.
Psalm 110:3
Your people shall be willing in the day of your power, in the beauties of holiness from the womb of the morning: you have the dew of your youth.
2 Corinthians 8:3
For to their ability, I bear record, yea, and beyond their ability they were willing of themselves;
2 Corinthians 9:7
Every man according as he purposes in his heart, so let him give; not grudgingly, or of necessity: for God loves a cheerful giver.

Perfect heart

1 Chronicles 29:17
I know also, my God, that you test the heart, and have pleasure in uprightness. As for me, in the uprightness of my heart I have willingly offered all these things: and now have I seen with joy your people, who are present here, to offer willingly unto you.
1 Kings 8:61
Let your heart therefore be perfect with the LORD our God, to walk in his statutes, and to keep his commandments, as at this day.

David

Proverbs 23:15
My son, if your heart is wise, my heart shall rejoice, even mine.
Luke 15:6
And when he comes home, he calls together his friends and neighbors, saying unto them, Rejoice with me; for I have found my sheep which was lost.
John 15:11
These things have I spoken unto you, that my joy might remain in you, and that your joy might be full.
Philippians 2:15
That you may be blameless and harmless, the sons of God, without rebuke, in the midst of a crooked and perverse nation, among whom you shine as lights in the world;
Philippians 4:1
Therefore, my brethren, dearly beloved and longed for, my joy and crown, so stand fast in the Lord, my dearly beloved.
1 Thessalonians 3:6
But now when Timothy came from you unto us, and brought us good tidings of your faith and love, and that you have good remembrance of us always, desiring greatly to see us, as we also to see you:

General references

Exodus 35:21
And they came, every one whose heart stirred him up, and every one whom his spirit made willing, and they brought the LORD'S offering to the work of the tabernacle of meeting, and for all its service, and for the holy garments.