The Bible

Deuteronomy 34:9

⁹ And Joshua son of Nun is full of the spirit of wisdom, for Moses had laid his hands upon him, and the sons of Israel hearken unto him, and do as Jehovah commanded Moses.

Commentary

Isaac

'Isaac' signifies the Lord's interior self and His divine rational in reference to divine good.

(References: Arcana Coelestia 1025, Genesis 17:19)