ציטירנדיקער פּירוש אויף דברי הימים א 9:22

that he had by the spirit As Samuel the Seer showed him, as it is written (above 9:22): “... whom David and Samuel established permanently.” Our Rabbis said (Zeb. 54b) (I Sam. 19:22): “... and he asked and said, ‘Where are Samuel and David?’ And one said, ‘Behold at Naioth in Ramah.’” They were engaged in the building of the world. That refers to the Temple. And he taught him at that time what a faithful student cannot learn in many years. (Mid. Sam. 22:4)

at the thresholds Heb. בַּאֲסֻפֵּי, like בְּסִיפֵּי הַשְּׁעָרִים, at the thresholds of the gates.