1 Corinthians 9:17

now if I do this willingly, I have a reward: but if against my will, it is a dispensation of trust which must be discharged.

2 Corinthians 8:12

for what a man gives with a ready mind, according to his abilities, is well received; but not when he goes beyond his circumstances.

2 Corinthians 9:7

let every man give as he is disposed in his own mind, without any regret or reluctance: for God loves a cheerful benefactor.

Philippians 2:13

for it is God that influences your desires and endeavours, out of his benevolence to you.

Revelation 16:5-6

and I heard the angel of the waters say, "thou art just, who art, and hast always been holy, because thou hast judged thus:

Revelation 18:20

O heaven, and ye holy apostles and prophets, triumph at her ruin, since God hath avenged you on her.

Revelation 19:2

for just and right are his judgments; for he hath condemned the grand prostitute, who corrupted the earth with her licentiousness, and hath avenged the blood of his servants that were shed by her hand."

Treasury of Scripture Knowledge

Summary

Praise ye the LORD for the avenging of Israel, when the people willingly offered themselves.

Bible References

For the avenging

Revelation 16:5
and I heard the angel of the waters say, "thou art just, who art, and hast always been holy, because thou hast judged thus:
Revelation 18:20
O heaven, and ye holy apostles and prophets, triumph at her ruin, since God hath avenged you on her.
Revelation 19:2
for just and right are his judgments; for he hath condemned the grand prostitute, who corrupted the earth with her licentiousness, and hath avenged the blood of his servants that were shed by her hand."

When

1 Corinthians 9:17
now if I do this willingly, I have a reward: but if against my will, it is a dispensation of trust which must be discharged.
2 Corinthians 8:12
for what a man gives with a ready mind, according to his abilities, is well received; but not when he goes beyond his circumstances.
2 Corinthians 9:7
let every man give as he is disposed in his own mind, without any regret or reluctance: for God loves a cheerful benefactor.
Philippians 2:13
for it is God that influences your desires and endeavours, out of his benevolence to you.
Philemon 1:14
but I would not do any thing without your consent; that your benefaction might not appear any ways forc'd, but perfectly voluntary.