Exodus 35:5
Take ye from among you an offering to LORD. Whoever is of a willing heart, let him bring it--LORD's offering: gold, and silver, and brass,
Exodus 25:2-7
Speak to the sons of Israel, that they take for me an offering; of every man whose heart makes him willing ye shall take my offering.
Judges 5:9
My heart is toward the governors of Israel, who offered themselves willingly among the people. Bless ye LORD.
Psalm 110:3
Thy people offer themselves willingly in the day of thy power, in holy array. Out of the womb of the morning thou have the dew of thy youth.
Mark 12:41-44
And having sat down opposite the treasury, Jesus watched how the multitude cast money into the treasury, and many rich men cast in much.
2 Corinthians 8:11-12
And now also finish the doing, so that just as was the willingness of the intending, so also to finish from the having.
2 Corinthians 9:7
Each man as he purposes in his heart, not from regret or from necessity, for God loves a cheerful giver.