''To stop up wells,' as inGenesis 26:15, denotes to be unwilling to know truths, and to deny them, and so to obliterate them. In Genesis 21, 'wells' signify doctrines, both those disputed and not disputed. Without this significance digging wells and disputing about them would have been too trivial to be mentioned in the divine Word.

(Odkazy: Arcana Coelestia 2702 [1-17])

746. 'Everything that creeps over the ground' means the sensory part and every associated delight. This too has been stated and shown already. The most ancient people compared and likened man's sensory powers and his delights that go with these to reptiles and creeping things, and also called them such, for they are the most exterior things of all. They creep so to speak over the surface of man and must not be allowed to climb any higher.