Hebrews 10:30

for we know who it is that has said, "vengeance belongeth unto me, I will repay." and again, "the Lord shall revenge his people."

Treasury of Scripture Knowledge

Summary

And mine eye shall not spare thee, neither will I have pity: but I will recompense thy ways upon thee, and thine abominations shall be in the midst of thee: and ye shall know that I am the LORD.

Bible References

But

Hebrews 10:30
for we know who it is that has said, "vengeance belongeth unto me, I will repay." and again, "the Lord shall revenge his people."