"another. His revenge, in the wasting of all the fields and vineyards of the Philistines, provoked them to murder her, although their threats had driven her to the deceit with which the trouble began. Samson had already given evidence of his marvelous strength by slaying, singlehanded, a young lion, and by killing thirty of the men of Askelon. Now, moved to anger by the barbarous murder of his wife, he attacked the Philistines and smote them “with a great slaughter.” Then, wishing a safe retreat from his enemies, he withdrew to “the rock Etam,” in the tribe of Judah. PP 563.4"
Judges 15:12"And they said unto him, We are come down to bind thee, that we may deliver thee into the hand of the Philistines. And Samson said unto them, Swear unto me, that ye will not fall upon me yourselves."
To this place he was pursued by a strong force, and the inhabitants of Judah, in great alarm, basely agreed to deliver him to his enemies. Accordingly three thousand men of Judah went up to him. But even at such odds they would not have dared approach him had they not felt assured that he would not harm his own countrymen. Samson consented to be bound and delivered to the Philistines, but first exacted from the men of Judah a promise not to attack him themselves, and thus compel him to destroy them. He permitted them to bind him with two new ropes, and he was led into the camp of his enemies amid demonstrations of great joy. But while their shouts were waking the echoes of the hills, “the Spirit of Jehovah came mightily upon him.” He burst asunder the strong new cords as if they had been flax burned in the fire. Then seizing the first weapon at hand, which, though only the jawbone of an ass, was rendered more effective than sword or spear, he smote the Philistines until they fled in te…
The EGW passage is a retelling of the biblical narrative in Judges 15:12, including the detail of Samson asking the men of Judah not to attack him.