Hebrews 10:30

Deuteronomy 32:35-36 NIV
It is mine to avenge; I will repay. In due time their foot will slip; their day of disaster is near and their doom rushes upon them. ” The Lord will vindicate his people and relent concerning his servants when he sees their strength is gone and no one is left, slave or free.

Nahum 1:2 NIV
The Lord is a jealous and avenging God; the Lord takes vengeance and is filled with wrath. The Lord takes vengeance on his foes and vents his wrath against his enemies.

Romans 12:19 NIV
Do not take revenge, my dear friends, but leave room for God’s wrath, for it is written: “It is mine to avenge; I will repay,” says the Lord.