"Things should be made as simple as possible, but no simpler."
“With all things being equal, the simplest explanation tends to be the right one.”
The more complex the idea, the more terms it is helpful to have in the metaphor but the most important basics can all be expressed best as dualities.
Self
-internal experience
--subconscious
---concur/dispute
---habitual/instinctual
--conscious
---think/feel
---approach/avoid
-external experience
--replicable/unique
--shared/individual