Joshua 10:16-27
Now the five kings had fled and hidden in the cave at Makkedah. / And Joshua was informed: “The five kings have been found; they are hiding in the cave at Makkedah.” / So Joshua said, “Roll large stones against the mouth of the cave, and post men there to guard them. ...

1 Samuel 15:32-33
Then Samuel said, “Bring me Agag king of the Amalekites.” Agag came to him cheerfully, for he thought, “Surely the bitterness of death is past.” / But Samuel declared: “As your sword has made women childless, so your mother will be childless among women.” And Samuel hacked Agag to pieces before the LORD at Gilgal.

2 Samuel 4:12
So David commanded his young men, and they killed Rechab and Baanah. They cut off their hands and feet and hung their bodies by the pool in Hebron, but they took the head of Ish-bosheth and buried it in Abner’s tomb in Hebron.

1 Kings 20:30-34
The rest of them fled into the city of Aphek, where the wall fell on twenty-seven thousand of the remaining men. Ben-hadad also fled to the city and hid in an inner room. / Then the servants of Ben-hadad said to him, “Look now, we have heard that the kings of the house of Israel are merciful. Let us go out to the king of Israel with sackcloth around our waists and ropes around our heads. Perhaps he will spare your life.” / So with sackcloth around their waists and ropes around their heads, they went to the king of Israel and said, “Your servant Ben-hadad says, ‘Please spare my life.’” And the king answered, “Is he still alive? He is my brother.” ...

2 Kings 25:7
And they slaughtered the sons of Zedekiah before his eyes. Then they put out his eyes, bound him with bronze shackles, and took him to Babylon.

Deuteronomy 7:2
and when the LORD your God has delivered them over to you to defeat them, then you must devote them to complete destruction. Make no treaty with them and show them no mercy.

Deuteronomy 25:19
When the LORD your God gives you rest from the enemies around you in the land that He is giving you to possess as an inheritance, you are to blot out the memory of Amalek from under heaven. Do not forget!

Exodus 23:32-33
You shall make no covenant with them or with their gods. / They must not remain in your land, lest they cause you to sin against Me. For if you serve their gods, it will surely be a snare to you.”

Exodus 34:12-16
Be careful not to make a treaty with the inhabitants of the land you are entering, lest they become a snare in your midst. / Rather, you must tear down their altars, smash their sacred stones, and chop down their Asherah poles. / For you must not worship any other god, for the LORD, whose name is Jealous, is a jealous God. ...

Numbers 33:52-55
you must drive out before you all the inhabitants of the land, destroy all their carved images and cast idols, and demolish all their high places. / You are to take possession of the land and settle in it, for I have given you the land to possess. / And you are to divide the land by lot according to your clans. Give a larger inheritance to a larger clan and a smaller inheritance to a smaller one. Whatever falls to each one by lot will be his. You will receive an inheritance according to the tribes of your fathers. ...

Psalm 137:8-9
O Daughter of Babylon, doomed to destruction, blessed is he who repays you as you have done to us. / Blessed is he who seizes your infants and dashes them against the rocks.

Matthew 7:2
For with the same judgment you pronounce, you will be judged, and with the measure you use, it will be measured to you.

Matthew 26:52
“Put your sword back in its place,” Jesus said to him. “For all who draw the sword will die by the sword.

Luke 6:38
Give, and it will be given to you. A good measure, pressed down, shaken together, and running over will be poured into your lap. For with the measure you use, it will be measured back to you.”

Romans 2:1
You, therefore, have no excuse, you who pass judgment on another. For on whatever grounds you judge the other, you are condemning yourself, because you who pass judgment do the same things.