Arcana Coelestia # 6346
6346. 'Light as water' means that faith alone does not possess such qualities, neither glory nor powerfulness. This is clear from the meaning of 'being light as water' as having no weight or worth. The fact that faith alone is meant, that is, faith separated from charity, is evident from the things mentioned in what follows that involve Reuben, and that involve Simeon and Levi. Those men - Reuben, Simeon, and Levi - are used here also to refer to faith alone or faith separated from charity.
Joshua 19:32-34
32
The sixth lot came out for the children of Naphtali, even for the children of Naphtali according to their families.
33
Their border was from Heleph, from the oak in Zaanannim, Adaminekeb, and Jabneel, to Lakkum. It ended at the Jordan.
34
The border turned westward to Aznoth Tabor, and went out from there to Hukkok. It reached to Zebulun on the south, and reached to Asher on the west, and to Judah at the Jordan toward the sunrise.
