1 Corinthians 9:17

For if I do this willingly, I have a reward; but if unwillingly, still I have been intrusted with a stewardship.

2 Corinthians 8:12

For if there be first the willing mind, it is accepted according to what a man hath, not according to what he hath not.

2 Corinthians 9:7

Each one, as he purposeth in his heart, so let him give; not grudgingly, or of necessity; for God loveth a cheerful giver.

Philippians 2:13

for it is God who worketh in you both to will and to work for his good pleasure.

Revelation 16:5-6

And I heard the angel of the waters saying, Righteous art thou, who art and wast holy, because thou hast judged thus;

Revelation 18:20

Rejoice over her, thou heaven, and ye saints and ye apostles and ye prophets! for God hath avenged you on her.

Revelation 19:2

for true and righteous are his judgments; for he hath judged the great harlot, who corrupted the earth with her fornication, and hath avenged the blood of his servants at 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 saying, Righteous art thou, who art and wast holy, because thou hast judged thus;
Revelation 18:20
Rejoice over her, thou heaven, and ye saints and ye apostles and ye prophets! for God hath avenged you on her.
Revelation 19:2
for true and righteous are his judgments; for he hath judged the great harlot, who corrupted the earth with her fornication, and hath avenged the blood of his servants at her hand.

When

1 Corinthians 9:17
For if I do this willingly, I have a reward; but if unwillingly, still I have been intrusted with a stewardship.
2 Corinthians 8:12
For if there be first the willing mind, it is accepted according to what a man hath, not according to what he hath not.
2 Corinthians 9:7
Each one, as he purposeth in his heart, so let him give; not grudgingly, or of necessity; for God loveth a cheerful giver.
Philippians 2:13
for it is God who worketh in you both to will and to work for his good pleasure.
Philemon 1:14
but I chose to do nothing without thy consent, that thy benefit may be not as from necessity, but willingly.