In 1 Samuel 15:3, God commands total destruction; verse 9 shows Saul sparing the best—a direct contrast between command and disobedience.

In 1 Samuel 15:15, Saul justifies sparing the best livestock by claiming they were for sacrifice—revealing his rationalization of disobedience.

In 1 Samuel 15:19, Samuel rebukes Saul for pouncing on the spoil, directly referencing the disobedience described in verse 9.

In 1 Samuel 15:11, God laments making Saul king because he turned back — directly caused by the disobedience here.

In 1 Samuel 15:13, Saul claims to have obeyed — directly contradicting his sparing of Agag and the best livestock.

In 1 Samuel 15:24, Saul confesses the sin he committed here — admitting he feared the people and transgressed God's command.

1 Samuel 22:19 shows Saul slaughtering innocent priests — a stark contrast to sparing the wicked Amalekites he was ordered to destroy.

In 1 Samuel 28:18, Samuel's spirit cites this very disobedience as the reason God turned against Saul.

Deuteronomy 2:34 shows total destruction of Heshbon — the complete herem Saul was commanded to apply to Amalek but failed to carry out.

Joshua 11:15 describes Joshua's full obedience to God's commands — the opposite of Saul's partial obedience here.

In 1 Kings 20:42, Ahab similarly spares a king God condemned — both acts of disobedience bring judgment.

Jeremiah 48:10 curses slackness in God's work — exactly Saul's failure to fully destroy the Amalekites.

Numbers 24:7 prophesies Israel's king will be higher than Agag — here Saul spares that same king, failing to execute the judgment that would exalt him.

In Joshua 7:21, Achan takes forbidden spoil from Jericho, paralleling Saul's sin of taking devoted plunder from Amalek—both violate God's ban.

Judges 1:27 records Manasseh's failure to drive out Canaanites — the same pattern of incomplete obedience as Saul sparing Amalek.