Exodus 35:5

5 aTake from among you a contribution to the Lord. bWhoever is of a generous heart, let him bring the Lord’s contribution: gold, silver, and bronze;

Exodus 35:21-22

21And they came, ceveryone whose heart stirred him, and everyone whose spirit moved him, dand brought the Lord’s contribution to be used for the tent of meeting, and for all its service, and for the holy garments. 22So they came, both men and women. All who were of a willing heart brought brooches and earrings and signet rings and armlets, all sorts of gold objects, every man dedicating an offering of gold to the Lord.

Exodus 35:29

29 eAll the men and women, the people of Israel, whose heart moved them to bring anything for the work that the Lord had commanded by Moses to be done brought it as a freewill offering to the Lord.

1 Chronicles 29:5-6

5and for all the work to be done by craftsmen, gold for the things of gold and silver for the things of silver. Who then will offer willingly, consecrating himself
Or ordaining himself; Hebrew filling his hand
today to the Lord?”

6Then gthe leaders of fathers’ houses made their freewill offerings, as did also the leaders of the tribes, the commanders of thousands and of hundreds, and hthe officers over the king’s work.

1 Chronicles 29:9

9Then the people rejoiced because they had given willingly, for with a iwhole heart they had offered freely to the Lord. David the king also rejoiced greatly.

1 Chronicles 29:13-17

13And now we thank you, our God, and praise your glorious name.

14“But who am I, and what is my people, that we should be able thus to offer willingly? For all things come from you, and of your own have we given you. 15 jFor we are strangers before you and sojourners, as all our fathers were. Our days on the earth are klike a shadow, and there is no abiding.
Septuagint, Vulgate; Hebrew hope, or prospect
16O Lord our God, all this abundance that we have provided for building you a house for your holy name comes from your hand and is all your own. 17I know, my God, mthat you test the heart and nhave pleasure in uprightness. In the uprightness of my heart I have freely offered all these things, and now I have seen your people, who are present here, offering freely and joyously to you.

Psalms 110:3

3 oYour people will poffer themselves freely
on the day of your qpower,
Or  on the day you lead your forces

in sholy garments;
Masoretic Text; some Hebrew manuscripts and Jerome on the holy mountains

from the womb of the morning,
the dew of your youth will be yours.
The meaning of the Hebrew is uncertain

1 Corinthians 9:17

17For if I do this of my own will, I have a reward, but if not of my own will, I am still entrusted with va stewardship.

2 Corinthians 8:12

12For if the readiness is there, it is acceptable waccording to what a person has, not according to what he does not have.

2 Corinthians 8:16-17

Commendation of Titus

16But xthanks be to God, ywho put into the heart of Titus the same earnest care I have for you. 17For zhe not only accepted our appeal, but being himself very earnest he is going
Or  he went
to you of his own accord.
Copyright information for ESV