Bede

And when Saul had returned, etc. Saul, having stopped pursuing the Philistines, is suddenly recalled with a sinister mind to hunt down and kill David; he turns his weapons from the just conflict against the enemies to the unjust one in which he strikes a fellow citizen. Thus indeed, unbelieving Jews, while being equipped with the word of Holy Scripture, often dispute various errors of the nations against idols, miserably turn the missiles of unbelieving words against Christ and the Christian religion. …

Commentary on Samuel ↗