Shared ground
The verse presents Saul’s first major battlefield success as Israel’s new leader. The story emphasizes planning (dividing the force into three groups), timing (a pre-dawn strike in the “morning watch”), and a decisive outcome (the Ammonites collapse into a rout). These points are explicit in the text: Saul organizes, Israel penetrates the camp, fighting continues into the day’s heat, and the survivors are scattered so completely that they cannot regroup (1 Samuel 11:11).
The narrative also assumes a world where victory often turns on surprise, coordination, and breaking enemy cohesion. The description “no two…left together” functions as the report’s bottom line: the Ammonite threat is not merely pushed back but shattered.
Where interpretation differs (only where needed)
Two details invite different reconstructions.
First, “morning watch” can be understood as a specific late-night/early-morning time slot, but readers differ on its exact hours. Either way, the shared point is an attack timed for low visibility and maximum surprise.
Second, “three companies” can be read as a tactic to surround from multiple directions, a set of coordinated waves, or simply a standard division for command and control. Each view still fits the text’s main claim: Saul’s forces act in an organized, coordinated way.
A smaller question is how literally to take “no two…left together.” Some read it as strict headcount-level precision; others see it as strong battlefield language for total scattering.
Why the disagreement exists
The verse is compact and reports outcomes without explaining the exact mechanics. The terms “morning watch” and “three companies” describe real military practices, but the text does not define them. Likewise, “no two…left together” is vivid language whose purpose is clear (complete rout), while its degree of literalness is not spelled out.
What this passage clearly contributes
This verse contributes a clear portrait of early Saul: he can muster people, organize them, and deliver a decisive win when Israel faces an external threat. It also shows what “deliverance” looks like in this narrative setting: not merely surviving, but breaking the enemy’s ability to operate as an army (surprise entry “into the midst of the camp,” sustained fighting “until the heat of the day,” and survivors dispersed). The result prepares for the next part of the story where Saul’s kingship is evaluated in light of this victory.