In Exodus 16:1, this signifies the good from which proceeds the truth with spiritual people after regeneration. (Arcana Coelestia 8399)

In Exodus 24:12, this signifies elevation into the Lord's presence. Mount Sinai also signifies represents the Word, which is from the Lord and is the Lord, thus also heaven. (Arcana Coelestia 9415) In the following verse, this signifies the Law, or the Divine Truth proceeding from the Lord's Divine Good. (Arcana Coelestia 9420)

In Exodus 19:23, this signifies that those of the spiritual kingdom cannot rise to the celestial kingdom. (Arcana Coelestia 8835)

(References: Arcana Coelestia 8753; Exodus 19:1)