שמואל א, פרק י״ד, פסוק מ״ח

King Saul’s military campaigns reached a critical turning point in his war against the Amalekites. While this conflict highlighted his success on the battlefield, it also marked his profound spiritual and royal failure. To prepare for this major confrontation, Saul did not merely perform an act of bravery; he actively gathered and assembled a massive army of warriors. With this formidable force, he launched an attack against the Amalekite nation, fulfilling God's direct command to strike them, an event that is detailed further in the subsequent historical record [רד"ק, ביאור שטיינזלץ].

However, the deeper significance of the battle lies in its limited outcome. The enemy is described as a force that ruthlessly trampled and plundered the Israelites [מצודת ציון]. The primary approach among commentators is that Saul settled for a partial victory. He was content with merely saving the Israelites from the immediate threat of these plunderers, but he refrained from completely destroying the Amalekites as God had explicitly commanded [מלבי"ם, מצודת דוד, אלשיך].

This failure to complete the mission is especially glaring because Saul lacked any military excuse to hold back from total destruction. He had already amassed a vast army of mighty warriors and was supported by a powerful military commander, Abner the son of Ner. In truth, the central purpose of Saul's appointment as king from the very beginning was to completely wipe out the Amalekite nation. Because he chose only to rescue the Israelites from their attackers rather than erase the memory of Amalek entirely, a severe decree was sealed against him. The kingship was torn from his family, paving the way for its natural transfer to the tribe of Judah [אלשיך].