In Genesis 24:10, 64, this signifies in general worldly knowledge in the natural man. (Arcana Coelestia 3046, 4104)

In Jeremiah 49:32, this signifies memory-knowledges used to confirm truths or falsities. (Apocalypse Explained 417[7])

A camel (Matthew 22:24) signifies scientific knowledge.

(参考: Arcana Coelestia 3048, 10227)

3046. 'And swore to him concerning this matter' means a very solemn undertaking. This is clear from the meaning of 'swearing' as a bond, and indeed a most sacred bond since he swore by 'Jehovah, the God of heaven and the God of the earth', as dealt with in 3023. It is accordingly a very solemn undertaking, for a very solemn undertaking is nothing else than a bond.