By and large, the answer to the question "How do large institutions survive?" is "They don't!" The vast majority of large modern-day institutions - some of them extremely vital to the functioning of our complex civilization - simply fail to exist in the first place.

If you want to build a recursively self-improving AI, have it go through a billion sequential self-modifications, become vastly smarter than you, and not die, you've got to work to a pretty precise standard.

Boys," said Hermione Granger, "should not be allowed to love girls without asking them first! This is true in a number of ways and especially when it comes to gluing people to the ceiling!

Physiologically adult humans are not meant to spend an additional 10 years in a school system; their brains map that onto "I have been assigned low tribal status". And so, of course, they plot rebellion - accuse the existing tribal overlords of corruption plot, perhaps to split off their own little tribe in the savanna, not realizing that this is impossible in the Modern World.

[...] intelligent people only have a certain amount of time (measured in subjective time spent thinking about religion) to become atheists. After a certain point, if you're smart, have spent time thinking about and defending your religion, and still haven't escaped the grip of Dark Side Epistemology, the inside of your mind ends up as an Escher painting.

I see little hope for democracy as an effective form of government, but I admire the poetry of how it makes its victims complicit in their own destruction.

If you've been cryocrastinating, putting off signing up for cryonics "until later", don't think that you've "gotten away with it so far". Many worlds, remember? There are branched versions of you that are dying of cancer, and not signed up for cryonics, and it's too late for them to get life insurance.