Luke 15:6

And when he gets home, he calls his friends and neighbors together and says to them, 'Rejoice with me, for I found my sheep that was lost.'

John 15:11

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

2 Corinthians 8:3

For I testify that they gave [financial help] to the full limit of their ability, yes and even beyond it. [And they did this] entirely on their own,

2 Corinthians 8:12

For if the eagerness is there, [then] whatever a person has [to give] is acceptable, and not what he does not have.

2 Corinthians 9:7-8

Each person should give what he has decided to in his heart, not grudgingly, nor out of a feeling that he has to, for God loves a cheerful giver.

Philippians 4:10

I am rejoicing very much in [fellowship with] the Lord that now, after some time, you people have revived your concern for me. Actually, you were concerned, but lacked the opportunity [to show it].

1 Thessalonians 3:6-9

But now Timothy has returned to us from you and brought us good news about your faith and love, and [reported] that you have good memories of us. [He told us that you are] longing to see us, just as we also long to see you.

Philippians 2:15-17

so that you will be without just blame and innocent [of wrongdoing], children of God without fault in the middle of a crooked and perverted generation of people. You must shine among them like stars lighting up the sky,

Philippians 4:1

So, my dearly loved brothers, those whom I long to see, [who are] my [reason for] being glad and [who are] my crown of victory; stand firm in [your devotion to] the Lord, my dear 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.

Bible References

They offered

2 Corinthians 8:3
For I testify that they gave [financial help] to the full limit of their ability, yes and even beyond it. [And they did this] entirely on their own,
2 Corinthians 9:7
Each person should give what he has decided to in his heart, not grudgingly, nor out of a feeling that he has to, for God loves a cheerful giver.

David

Luke 15:6
And when he gets home, he calls his friends and neighbors together and says to them, 'Rejoice with me, for I found my sheep that was lost.'
John 15:11
I have said these things to you so that my joy may be in your hearts, and that your joy may be complete.
Philippians 2:15
so that you will be without just blame and innocent [of wrongdoing], children of God without fault in the middle of a crooked and perverted generation of people. You must shine among them like stars lighting up the sky,
Philippians 4:1
So, my dearly loved brothers, those whom I long to see, [who are] my [reason for] being glad and [who are] my crown of victory; stand firm in [your devotion to] the Lord, my dear ones.
1 Thessalonians 3:6
But now Timothy has returned to us from you and brought us good news about your faith and love, and [reported] that you have good memories of us. [He told us that you are] longing to see us, just as we also long to see you.