Altar stone
In Exodus 20:25, this signifies truths formed from good, or good in form, to signifies that nothing of self-intelligence should be involved in its forming. (Apocalypse Explained 391[21, 21])
Hearken
'To hearken,' as mentioned in Genesis 30:22, signifies providence. 'To hearken to father and mother,' as mentioned in Genesis 28:7, signifies obedience from affection.
See Obedience.
(Reference: Arcana Coelestia 3684)