As I've asserted before, the male-female marriage relationship is a model that reveals truth (i.e. things otherwise mysterious). This is one reason marriage is targeted by the Vampire Cabal, it reveals truths they want to monopolize. Abraham and Sarah don't need to be merely symbolic or allegorical because the male (conscious/superconscious) and the female (subconscious) can be read in actual, tangible relationships between husbands and wives. Likewise with the potter (actor/male) and his clay (acted-upon/female) or the artist (actor/male) and a substrate such as a canvas (female).