1 Samuel 4:7
And the Philistines were afraid, for they said, God is come into the camp. And they said, Woe unto us! for there hath not been such a thing heretofore.
Cross-reference
Exodus 14:25
Parallel
In Exodus 14:25, the Egyptians realize the LORD fights for Israel and flee — a parallel of enemies recognizing divine intervention and fearing.
Exodus 15:14–16
Prophetic fulfillment
In Exodus 15:14-16, the song foretells Philistia trembling at God's power — here that fear is realized as the Philistines dread the ark.