I'm fascinated by how different staring at your ceiling in complete darkness VS having your eyes closed feel.

In both cases, you're not seeing anything, it's all dark.

But in one case, you're actively seeing nothing and in the other, you're passively seing nothing.

It quite instantly changes the whole mindset.

Part 3 of Neal Stephenson's "Seveneves" is to the first two parts as "To The Stars" is to PMMM

That will make sense to almost nobody but I insist it is absolutely true