The point is: what happens in heaven?' 'Unknowable wonderfulness?' 'Nonsense. The answer is nothing. Nothing can happen because if something happen… - Iain Banks

It was a truism that all civilizations were basically neurotic until they made contact with everybody else and found their place within the ever-changing meta-civilisation of other beings, because, until then, during the stage when they honestly believed they might be entirely alone in existence, all solo societies were possessed of both an inflated sense of their own importance and a kind of existential terror at the sheer scale and apparent emptiness of the universe.

"They speak very well of you".
- "They speak very well of everybody."
- "That so bad?"
- "Yes. It means you can´t trust them."

He was not what he appeared to be.
He was beginning to wonder if he had ever been.
The ice inside the water planet did not exist; neither did the water planet itself, nor the star it orbited nor the galaxy beyond nor anything of what appeared to be real no matter how far out you might think you were looking. Nor how far in you looked, either. Peer into anything closely enough and you would find only the same graininess that the Real exhibited; the smallest units of measurement were the same in both realms, whether it was of time or extent or mass.
For some people, of course, this meant the Real itself was not really real, not in the sense of being genuinely the last un-simulated bedrock of actuality. According to this view everybody was already in a pre-existing simulation but simply unaware of it, and the faithful, accurate virtual worlds they were so proud of creating were just simulations within a simulation.
That way though, arguably, madness lay. Or a kind of lassitude through acceptance that could be exploited. There were few better ways of knocking the fight out of people than by convincing them that life was a joke, a contrivance under somebody else’s ultimate control, and nothing of what they thought or did really mattered.