Arcana Coelestia # 4780
4780. And mourned over his son many days. That this signifies the state, namely, the state of mourning for destroyed good and truth, is evident from the representation of Joseph, who here is the “son,” as being Divine truth, specifically those truths spoken of above (n. 4776); and from the signification of “days,” as being states (n. 23, 487, 488, 493, 893, 2788, 3785), here a state of great mourning, because it is said “many days.”
1 Kings 21:27-29
27
It happened, when Ahab heard those words, that he tore his clothes, and put sackcloth on his flesh, and fasted, and lay in sackcloth, and went softly.
28
The word of Yahweh came to Elijah the Tishbite, saying,
29
"See how Ahab humbles himself before me? Because he humbles himself before me, I will not bring the evil in his days; but in his son's days will I bring the evil on his house."