1 Corinthians 9:17

For if I do this of my own accord, I have my pay; but if unwilling, I have at least discharged my stewardship.

2 Corinthians 8:12

For if there be first willing mind, the gift is accepted according to what a man has, and not according to what he has not.

2 Corinthians 9:7

But let each give according to the purpose of his heart; not grudgingly of under compulsion. It is a cheerful giver that God loves.

Philippians 2:13

for it is God who, in his good-will is ever working in you both will and deed.

Revelation 16:5-6

And I heard the angel of the waters saying. "Righteous art thou, thou who art and wast, The Holy One, Because thou didst inflict this judgment.

Revelation 18:20

Rejoice over her, O Heaven! Rejoice, ye saints, apostles, prophets! For God has now avenged you.

Revelation 19:2

For true and righteous are his judgments; For he has judged the great harlot Who was corrupting the earth with her fornication. On her he has avenged the blood of his slaves."

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, thou who art and wast, The Holy One, Because thou didst inflict this judgment.
Revelation 18:20
Rejoice over her, O Heaven! Rejoice, ye saints, apostles, prophets! For God has now avenged you.
Revelation 19:2
For true and righteous are his judgments; For he has judged the great harlot Who was corrupting the earth with her fornication. On her he has avenged the blood of his slaves."

When

1 Corinthians 9:17
For if I do this of my own accord, I have my pay; but if unwilling, I have at least discharged my stewardship.
2 Corinthians 8:12
For if there be first willing mind, the gift is accepted according to what a man has, and not according to what he has not.
2 Corinthians 9:7
But let each give according to the purpose of his heart; not grudgingly of under compulsion. It is a cheerful giver that God loves.
Philippians 2:13
for it is God who, in his good-will is ever working in you both will and deed.
Philemon 1:14
But without your consent I was unwilling to do anything, so that your kindness to me might be of your own free will, and not of compulsion.