The righteous will rejoice when they see they are avenged; they will wash their feet in the blood of the wicked.

Exodus 14:30
That day the LORD saved Israel from the hand of the Egyptians, and Israel saw the Egyptians dead on the shore.

Deuteronomy 32:43
Rejoice, O heavens, with Him, and let all God's angels worship Him. Rejoice, O nations, with His people; for He will avenge the blood of His children. He will take vengeance on His adversaries and repay those who hate Him; He will cleanse His land and His people.

Job 22:19
The righteous see it and are glad; the innocent mock them:

Psalm 32:11
Be glad in the LORD and rejoice, O righteous ones; shout for joy, all you upright in heart.

Psalm 64:10
Let the righteous rejoice in the LORD and take refuge in Him; let all the upright in heart exult.

Psalm 68:23
that your foot may be dipped in the blood of your foes--the tongues of your dogs in the same."

Psalm 91:8
You will only see it with your eyes and witness the punishment of the wicked.

Psalm 107:42
The upright see and rejoice, and all iniquity shuts its mouth.

Proverbs 29:16
When the wicked thrive, rebellion increases; but the righteous will see their downfall.

Jeremiah 11:20
O LORD of Hosts, who judges righteously, who examines the heart and mind, let me see Your vengeance upon them, for to You I have committed my cause.

Jeremiah 20:12
O LORD of Hosts, who examines the righteous, who sees the heart and mind, let me see Your vengeance upon them, for to You I have committed my cause.

The righteous shall rejoice when he sees the vengeance: he shall wash his feet in the blood of the wicked.