Saul Spared Agag and Paid for It in Purim

King Saul was given one of the clearest commands in the entire Hebrew Bible: destroy Amalek completely. He almost did it. He went to war, he routed the army, he killed thousands. But when he reached Agag, king of the Amalekites, he stopped. He spared him. The text says simply, "Saul and the people spared Agag" (I Samuel 15:9), and the rabbis spent centuries asking why.

Rabbi Levi, teaching in Esther Rabbah, read the story through the lens of a verse from Numbers that reads like a warning written in advance: "If you will not dispossess the inhabitants of the land from before you, those who you leave will be like thorns in your eyes, and like stones in your sides, and they will trouble you in the land you inhabit" (Numbers 33:55).

For Rabbi Levi, that verse was addressed directly to Saul. When Samuel told him "Now go and smite Amalek" (I Samuel 15:3), the command came with everything that warning contained. Not a suggestion about policy. A prophecy about what would happen if a single Amalekite survived.

Samuel's response when he saw Agag alive was devastating. In the midrash's reading, he told Saul plainly: you went out innocent and you returned guilty. A descendant will survive from this man. That descendant will become a thorn in your eyes and a stone in your sides. And then Samuel himself hacked Agag to pieces in Gilgal (I Samuel 15:33). But by then it was too late. Agag had lived long enough.

The midrash draws the line directly: Haman the Agagite, the man who issued the decree to destroy every Jew in 127 provinces, was a descendant of the king Saul should have killed. "To destroy, to kill, and to eliminate," Haman's order read (Esther 3:13). Total annihilation. Every man, woman, and child. The thing Saul had been commanded to do to Amalek, Haman now intended to do to Israel.

There is a bitter symmetry in the rabbinic reading. Saul showed mercy to one king. That mercy, flowing down through generations, produced a man whose mercy extended to no one.

The tradition also preserved a parallel reading in the story of Saul's dealings with Edom and the pattern of unfinished commands, but the Purim connection is the sharpest version. Saul was from the tribe of Benjamin. Mordecai, the hero of the Purim story, was also from the tribe of Benjamin, and the text in Esther identifies him explicitly as a descendant of Kish, which was Saul's family (Esther 2:5). The same tribe that failed to kill Agag now had to face Agag's descendant. The same bloodline that created the problem was the one tasked with solving it.

Esther herself, also from Benjamin, walked into the throne room of Ahasuerus carrying the weight of what her ancestor had left undone. She was not simply fighting Haman. She was correcting a failure that went back five hundred years.

The midrash closes with the same gesture that appears throughout the petichta of Esther Rabbah: when the people of Shushan saw the decree Haman had set in motion, they began screaming "Woe!" The Hebrew word for "it was" at the start of the Book of Esther, vayhi, sounds like vai, grief. Every book that opens with vayhi, the rabbis taught, opens with a cry that something has gone wrong. The Book of Esther begins in that grief, because it begins at the end of a long chain that started with a moment of misplaced kindness on a battlefield in the Negev.

What Saul spared, history had to spend centuries paying back. The thorns in the eyes. The stones in the sides. Every word of that Numbers warning landed exactly where Rabbi Levi said it would.