TROM is reducing all manifestations to certain basic principles and those are very good basic principles.
But those principles are manifested because all these manifestations exist. Hence, those principles are a part of manifestations.
Still, all we know is what is manifested.
KNOWABLE is that which is manifested. UNKNOWABLE cannot be defined because there is nothing manifested to be defined.
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I'm sorry, but to say
"KNOWABLE is that which is manifested. UNKNOWABLE cannot be defined because there is nothing manifested to be defined." is a contradiction. You might think I am mincing words, but I am not. You define the UNKNOWABLE and then state it cannot be defined!
What does this concept/action of "definition" entail?
The UNKNOWABLE is you/us. You can't be defined? You complain that Hubbard assigned all these attributes to a "thetan", which for you IS the unknowable. Is not definition but the specification of the qualities of a thing?
It appears you are just upset about giving this unknowable a different label than the label which you assign. Unknowable is a label. And I maintain this is not a good label to slap upon yourself.
It is quite clear to me that the UNKNOWABLE has properties which are known!
Are you certain you exist?
Science has skirted the issue consciousness for quite some time. I am surprised you wish to follow that same path.
You can perceive it = You are it
If you can prove that THAT is false with perfect certainty you will will have dis-proven consciousness. The only way we know about anything is through our conscious experience. THAT is all that is available to us to sense.
It is not possible to prove with perfect certainty that the physical universe is an "actuality", i.e. that the things you see out around you are really "out there". What you can have perfect certainty of is that you have a conscious experience. You see a wall, what you are "seeing" is not the actual wall. You are seeing a SYMBOL not the actual referrent (wall). What you see is the SYMBOL - your conscious experience of a wall. Is there actually a wall there? Of that you cannot be perfectly certain. Perfect certainty is a precise thing. Even if you are hallucinating a wall. You certainly would agree that you are seeing that wall in your conscious experience. You wouldn't accuse someone who sees what to you are clearly hallucinations of not actually having the conscious experience he is having, that "he's just a lying SOB, he doesn't
really see those bugs crawling on him" would you?
Focus on the source of knowledge is a distraction
I am flabbergasted you would say this! That is really very very funny.
You sound like a scientist

This avoidance of what you call a "distraction" has wound us up right where we sit today as a planetary population - in the soup.
It's time the subject of consciousness became a scientific study of primary importance. Since it is the source of everything that you or anyone else will ever experience. To dismiss it as a distraction is a grievous mistake that has been going on for quite some time in the hallowed halls of science and religion.
IMO the study physics is a sub-domain of the study of consciousness.
KHTK is
nothing but an exercise in looking at one's conscious experience. Never at any time is one directly perceiving anything other than this. There is NO WAY to directly perceive a wall. In the PU it is all a system of vias. At no point is the actual wall directly perceived. The only direct perception we have available IS conscious experience.
Thus, to label conscious experience UNKNOWABLE and a distraction is not wise IMO.
You can discount/discard Homer's "Proof" if you will, but I'd be more interested in someone disproving it.
I guess you're just insisting that the
something which manifests is UNKNOWABLE and thus not relevant (distraction). On these points we disagree. Something manifests. To say nothing can be known about that something is an error. One thing for sure IS known about this "UNKNOWABLE": It manifests! Can we know more about it? I think so. Just as the source of space and time cannot be understood with perfect certainty within the domain of space and time, the understanding of that which manifests can not be understood from it's own domain. Is their a higher domain? I dunno. To state with that there is no such higher domain is but a theory. Conscious experience is not a theory. You exist or do you doubt that you exist? From within the domain we can learn many things. We know a lot about space and time from within that domain, thus there is much we can know about consciousness that we currently do not understand, like how this common experience we are having works. These things are not in the domain of the physical universe, they are in the domain of consciousness. Trying to wrap your wits around a zero-dimensional spaceless timeless something that can manifest any number of vast universes is quite difficult given our long history of playing within the realms of dimensionality. But there is more to be known about it. Giving it the label "UNKNOWABLE" is not helpful to that pursuit. Certainly there are things which are unknowable from our current state of awareness. I just think you've stuck a flag in the ground far too short of the actual boundaries.
There is peace in knowing who/what you really are. Having that peace WHILE at the same time one practices KHTK is a nice bonus.
How did God/We come to be? Well maybe that is unknowable. But short of that there's quite a large realm to explore.
Namaste