'A palace,' as in Psalm 144:12, represents the understanding in which truths have a beautiful form. They have a beautiful form when they are from affection for truth. 'A palace,' as in Amos 4:3, signifies the Word, and consequently, the truth of doctrine which is from good. 'A palace,' as in Isaiah 32:14, signifies the whole church regarding truths from good.

(Odkazy: Apocalypse Explained 721)

4778. 'And [Jacob] rent his clothes' means mourning for lost truth. This is clear from the meaning of 'rending clothes' as an act representative of mourning for lost truth, dealt with above in 4763.