Samuel's instructions to Saul were specific. Strike Amalek and devote everything to destruction, the answer to an old wrong: Amalek had ambushed a newly freed and defenseless Israel from behind (Deuteronomy 25:17-18). The command was total, and Saul's obedience was partial.
He kills the people and spares Agag and 9"the best of the sheep and of the oxen and of the fattened calves and the lambs, and all that was good." Only what was 9"despised and worthless" is destroyed. Saul obeys where obedience costs him nothing and quietly sets aside what would have meant giving up something valuable. Before Samuel even arrives, Saul stops at Carmel to set up a monument to himself. A man who has just partially obeyed God finds time to make sure his own name is remembered for it.
Samuel spends the night in anguish, and by morning Saul greets him with breathtaking confidence: 13"I have performed the commandment of the LORD." At once the bleating sheep and lowing oxen give him away. Samuel does not have to accuse him. The evidence is audible.
Saul builds his defense carefully once he is caught. First, 20"I have obeyed the voice of the LORD," a claim contradicted by the animals in the yard. Then the blame moves to the people, who kept the best 21"to sacrifice to the LORD your God." The phrase your God slips from a king's mouth as he distances himself from the faith he claims to be defending. He frames disobedience as worship, as though keeping the best of the plunder for sacrifice redeemed keeping it at all.
Samuel's answer is the center of the chapter, and of the Old Testament's case against empty religion: to obey is better than sacrifice. Then 23"Rebellion is as the sin of divination, and presumption is as iniquity and idolatry." Saul had set up no foreign altar. He had decided that his own judgment about what to keep and destroy outweighed the word he was given. Samuel calls that idolatry too, because it works as such: self-will, dressed in religious language, worshiped in God's place.
Saul's confession sounds right on the surface. 24"I have sinned, for I have transgressed the commandment of the LORD." But the same sentence goes on, 24"because I feared the people and obeyed their voice." The confession explains itself and shares the blame. Compare David's, after Nathan confronts him over Bathsheba: "I have sinned against the LORD" (2 Samuel 12:13), and nothing more. Saul's sin here is smaller than David's will be. His confession is what disqualifies him, since it reveals a heart still more concerned with saving face than with turning back. 30"Honor me now before the elders of my people," he asks, as the kingdom is being taken away.
That taking becomes literal. Saul grabs Samuel's robe as he turns to leave, and it tears, and Samuel reads it: 28"The LORD has torn the kingdom of Israel from you this day." The chapter ends with Samuel grieving over Saul for the rest of his life.
Everything Saul got wrong, Christ did right. Where Saul obeyed where it cost nothing, Christ obeyed to a cross that cost everything. Where Saul dressed disobedience as sacrifice, Christ's obedience was the sacrifice. Hebrews says he learned obedience through what he suffered (Hebrews 5:8).
Ask what you have kept back from something God asked of you, and what religious reason you have given for it.
Prayer
Father, how easily we, like Saul, obey where it costs us little and quietly keep back what we treasure most. Forgive us for dressing our own will in religious language and calling it worship. Teach us that you delight in obedience more than in anything we could offer instead. Thank you for Christ, whose obedience never wavered, and whose sacrifice was the perfect fulfillment of obedience. In Jesus' name, amen.