Original Verse:
Ezra Chapter 7 Verse 16And all the silver and gold that thou canst find in all the province of Babylon, with the freewill offering of the people, and of the priests, offering willingly for the house of their God which is in Jerusalem:

Reference Verses:
Ezra Chapter 8 Verse 25And weighed unto them the silver, and the gold, and the vessels, even the offering of the house of our God, which the king, and his counsellors, and his lords, and all Israel there present, had offered:
1st Chronicles Chapter 29 Verse 9Then 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.
Ezra Chapter 1 Verse 4And whosoever remaineth in any place where he sojourneth, let the men of his place help him with silver, and with gold, and with goods, and with beasts, beside the freewill offering for the house of God that is in Jerusalem.
Ezra Chapter 1 Verse 6And all they that were about them strengthened their hands with vessels of silver, with gold, with goods, and with beasts, and with precious things, beside all that was willingly offered.
1st Chronicles Chapter 29 Verse 6Then the chief of the fathers and princes of the tribes of Israel, and the captains of thousands and of hundreds, with the rulers of the king's work, offered willingly,
1st Chronicles Chapter 29 Verse 17I know also, my God, that thou triest the heart, and hast pleasure in uprightness. As for me, in the uprightness of mine heart I have willingly offered all these things: and now have I seen with joy thy people, which are present here, to offer willingly unto thee.
2nd Corinthians Chapter 9 Verse 7Every man according as he purposeth in his heart, so let him give; not grudgingly, or of necessity: for God loveth a cheerful giver.
2nd Corinthians Chapter 8 Verse 12For if there be first a willing mind, it is accepted according to that a man hath, and not according to that he hath not.