Ezra 1:4

And every one who is left, of any of the places where he is a sojourner, assist him do the men of his place with silver, and with gold, and with goods, and with beasts, along with a free-will offering for the house of God, that is in Jerusalem.'

1 Chronicles 29:3

And again, because of my delighting in the house of my God, the substance I have -- a peculiar treasure of gold and silver -- I have given for the house of my God, even over and above all I have prepared for the house of the sanctuary:

1 Chronicles 29:9

And the people rejoice because of their offering willingly, for with a perfect heart they have offered willingly to Jehovah; and also David the king hath rejoiced -- great joy.

1 Chronicles 29:17

'And I have known, my God, that Thou art trying the heart, and uprightness dost desire; I, in the uprightness of my heart, have willingly offered all these: and now, Thy people who are found here I have seen with joy to offer willingly to Thee.

Ezra 2:68-70

And some of the heads of the fathers in their coming in to the house of Jehovah that is in Jerusalem, have offered willingly for the house of God, to establish it on its base;

Ezra 7:16-18

and all the silver and gold that thou findest in all the province of Babylon, with the free-will offerings of the people, and of the priests, offering willingly, for the house of their God that is in Jerusalem,

Ecclesiastes 4:9-10

The two are better than the one, in that they have a good reward by their labour.

Acts 24:17

'And after many years I came, about to do kind acts to my nation, and offerings,

Galatians 6:2

of one another the burdens bear ye, and so fill up the law of the Christ,

3 John 1:6-8

who did testify of thy love before an assembly, whom thou wilt do well, having sent forward worthily of God,

Treasury of Scripture Knowledge

Summary

And 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.

Bible References

Let the men

Ezra 7:16
and all the silver and gold that thou findest in all the province of Babylon, with the free-will offerings of the people, and of the priests, offering willingly, for the house of their God that is in Jerusalem,
Acts 24:17
'And after many years I came, about to do kind acts to my nation, and offerings,
3 John 1:6
who did testify of thy love before an assembly, whom thou wilt do well, having sent forward worthily of God,

Help him

Ecclesiastes 4:9
The two are better than the one, in that they have a good reward by their labour.
Galatians 6:2
of one another the burdens bear ye, and so fill up the law of the Christ,

The freewill

Ezra 2:68
And some of the heads of the fathers in their coming in to the house of Jehovah that is in Jerusalem, have offered willingly for the house of God, to establish it on its base;
1 Chronicles 29:3
And again, because of my delighting in the house of my God, the substance I have -- a peculiar treasure of gold and silver -- I have given for the house of my God, even over and above all I have prepared for the house of the sanctuary: