The egg by Andy Weir. It gave me the basis for Gnosticism / the spirituality that I genuinely think is closest to the truth ie: humans do have a soul, but it’s all the same soul / consciousness that just splits up into sperate little chunks of perception for a little bit at a time before rejoining the whole in different places and splitting off again from and to a completely different place. Honestly the main thing I learned from psychology, neurology, and physics classes is that time, or at least the human perception of it, is almost completely bullshit, and that our perception of our brain as a separate thing that controls the rest of our body, or even as our body as a separate thing from the world like a suit in space is a significant cause of mental illness.

Why does our sense of self so often stop at our brain when most of our neurotransmitters are in our gut? How can you be the cells but not the fluid you filter then piss out? Your upper layers of skin and hair are dead how can they be more you than the air trapped between them? There’s a reason drugs dissolving your sense of self, even temporarily, is often described as a positively transformative experience.