מלכים א יא:כג פירוש: רש״י

And God raised up a rival against him [Shlomo]. Against Shlomo. And this is what Noson the prophet said to Dovid, “so that when he goes astray, I will chasten him with the rod of men.”⁸II Shmuel 7:14. God sent adversaries against Shlomo for the purpose of inducing him to repent.—Radak