Proverbs 6:35 KJV
He will not regard any ransom; neither will he rest content, though thou givest many gifts.
Proverbs 6:35, King James Version
In context
34 For jealousy is the rage of a man: therefore he will not spare in the day of vengeance.
35 He will not regard any ransom; neither will he rest content, though thou givest many gifts.