וַיִּרָ֥א שָׁא֖וּל מִלִּפְנֵ֣י דָוִ֑ד כִּֽי־הָיָ֤ה יְהוָה֙ עִמּ֔וֹ וּמֵעִ֥ם שָׁא֖וּל סָֽר׃
And Saul was afraid of David, because the LORD was with him, and was departed from Saul.
Read commentary on I Samuel 18:12, verse-by-verse classical interpretation.