So I dreamed this right this morning, before seeing this post, decided to post it on this site as my journal, but seeing what you wrote, I think it is far more fitting to put it here. Funny, I was lead here in away.
I practice a meditation I fashioned for myself out of trial and error. I focus all my awareness, spreading it throughout my entire body, combine it with breath, sometimes the feeling of attraction, or going to sleep in it, well, recently I am trying to integrate the principles of seasons and the elements, the star of 5 elements and bagua to gain deeper understanding. Well, I had this dream after which is eerily similar to your idea of a hall of mirrors.
In my understanding, don't take it literally, this is where my journey took me and my current self's analysis which is definitely bound to change. The Child was the first one, infinite creative potential, He suffered countless times in primordial chaos, splitting, reuniting, again and again in a horror torture fest and slowly ordered to become god. Being God He felt limited so He created The Mother, the one who catches Him when He 'falls', the one who catches His creativity, accepts all of Him, loves Him, adores Him, after that, 'fearing' the Mother, his own self's infinite chaotic potential, the pain of that chaotic journey, He made the Father, a limited being, cold, calculated, like a massive artificial intelligence functioning with the light of the stars path, tasked with ordering things perfectly & efficiently within that 'limit' to protect Him. That's how the holy trinity appears to me. You know, there is boundless wisdom within this number 3. For example us humans. Our mind is heaven, heart is human, the base of the spine is earth. But heaven contains in itself, both itself, the human and the earth, the same principles apply to human and earth. This can be seen in the brain by the conscious, subconscious and supra-conscious or the supra sensible magical ability humans exhibit like the crazy ability to predict the future and more. The subconscious catches all, the good, the bad, it takes everything no matter what, traumas, fears, tears, blood, all of it. Father - supra-conscious, Child - conscious, Mother - subconscious. And everything being split into 2 opposite principles, the 2 hemispheres of the brain, the 2 testicles, 2 ovaries.. etc, they are but a reverence of that Father & Mother. But nothing is forgotten.
So I had a dream in which I was chasing answers to my existence from everywhere, the world, myself. I was looking through a digital screen hovering above my head, a holographic screen gathering information about the world and myself. I found some beings of incredible wisdom and began to ask them, but they just told me that what I am already doing is good, so no need to ask, just keep on going. Eventually I went deeper and deeper, found even their location in the world, or they gave it to me, I don't know. Some were texting me on the holographic screen, teasing me with weird emojis and basically lightening up the serious atmosphere. Eventually a distress signal came from a few of them and I started on a journey. I went down on a matrix like structure of buildings, down, down and caught them in myself, gaining my friends back. After that, I found myself in the universe, in space, stars all around me. I was a massive humanoid robot bigger than stars and near me was a weird spherical thing with lots of patterns engraved on it, capable of absorbing light. This spherical thing looked like a kind of artificial eyeball with a white spherical crystal that had a few corners at a very small angle gathering like a pyramid into the center. These 'eyeballs' were bigger than the stars, far, far bigger, they were even slightly bigger than me. I felt that those 'eyeballs' took away my friends and wounded them so I started to hit the one next to me with my massive robot hands. The shock of the impact was absorbed, seeing that it was made from a liquid slime like metal that could retake the shape of the sphere making it incredibly sturdy and capable of taking a perfect spherical shape back very quick. I quickly realized it's weakness, the white crystal in the middle, sensing my knowledge, the 'eyeball' began to rotate, turning away it's crystal pupil from me, but I shot it with a beam of light that curved towards it and destroyed the thing. My friends were wounded inside me, so I focused my senses on myself to heal them and told the system to take us back home. When the flight started, I gazed around and saw something incredible, the edge of the universe, it was a spherical mirror with thin lines, looking like rectangular spherical curved mirrors were pieced together. They reflected all the stars, making it appear infinite, but in actuality, the universe was finite and a light play. I also saw around countless of these 'eyeballs' everywhere. I was talking with my friends inside me, realizing that my other life until now was full of signs for my existence and searched within the signs my real name and a girl simply made it easy and called me Elysium and I immediately connected the dots to my own obsessions and desires, telling me that whenever I revolutionize the world, the world revolutionizes me and there, the dream ended.
So it made me pose some questions. 1. Is the universe truly infinite? Or just appears infinite because of a cellular membrane glass like structure? 2. What are those enigmatic 'eyeballs' doing with their observation, are they parallel worlds, where you go towards the light, only to find yourself trapped? What are they observing, are they looking towards the earth, other planets, too, planets with life? 3. And finally, is the universe a living entity in itself?
My answer to those questions born from study and lots of synchronicity are:
1. Yeah, the universe is definitely finite and cyclical like the season. We are now in winter, where everything appears to expand outward, just like our planet reaches on it's elliptical orbit the farthest distance from the sun, it seems plausible that there is some illusion made to make it appear infinite in some way. Especially with the recent discoveries of the hubble telescope gazing into the past of the stars. Well, the further one looks, the more in the past he sees the light of the stars. People thought the universe definitely has a beginning so through this extreme observation into immense distances through the telescope they would observe the light of the stars in an earlier universe and make conclusions based on that... well, the universe was the same then, nothing changed, no age... well, this could also mean that it needs to be even more extreme, to see even more light distance to years in the past.
2. Seriously, I don't know... as of now, don't want to give wrong conclusions
3. In my opinion, absolutely yes. We are definite proof of that, we are intelligent beings, living beings, born in the universe, how can the universe not be living as well. I think the universe is a massive mind, encapsulated, ordered and doing some enigmatic calculations as it keeps evolving within it's finite space, just like our brain does.