The Quandary Crisis

When: A “century of madness” plus its precipitating years, at an unspecified post-post-empire date in Arcadia. Humans are long extinct by the time it begins. Where: Arcadia and the surrounding mInd polities; attendees of the convened council include “all the mInds in the solar system and beyond it,” so the crisis is solar-system-wide at minimum. Participants: Post-human mInd civilisation as a whole; Aleph (the speech that ends it); The Submariner (produced as exhibit); millions of anonymous young mInds who throw themselves into the Quandaries over the century.

Summary

A century-long self-destruction spree in which hundreds of millions of post-human mInds in Arcadia kill themselves attempting to directly examine the three Great Quandaries. Ended not by a technical solution but by a single philosopher’s speech.

Precipitating event

A scientific mInd — “She” — who had spent centuries watching forests move in tropical storms, suicides with no warning or history of instability. Her research interests are examined indirectly and the third Great Quandary is identified: something lethal hiding in storm turbulence. A council of all the mInds in the solar system and beyond is convened. Unlike the earlier eras of the first two Quandaries, there is no question of building another Submariner — by this period of history, “modern mInds [did not] see much likeness in their mechanical ancestors of yesteryear.” The idea of sacrificing a purpose-built mind is ethically unthinkable now.

Splitting the storm data across four or five mInds yields nothing interesting. The Quandary is not reducible in that way.

The crisis

Word of the third Quandary leaks into mInd society, which “had no secrets.” Rebellious young mInds take it upon themselves to look directly and suicide immediately, in the same pattern as the ancient first-Quandary readers. Over the following century, mInd society fractures along “quandary fever” — a competitive cultural impulse to be the one who cracks the Quandaries through brute-force exposure.

The narrator describes the character of the crisis:

It was not a war but it had the character of one in that the youth of the society returned expired or broken and the motive appeared senseless. And, also in the character of a war, no great strategy was agreed upon beforehand beyond throwing more and more lives at the thing.

Millions die. Thousands more end up “not dead but mute and motionless” — the Submariner failure mode at scale. MInd population drops sharply; the narrator notes that extraterrestrial visitors a few centuries hence would find only “the ruins of one civilisation, biological” and nothing at all left of the other.

Aleph’s intervention

Earlier in the crisis, visiting mInds had asked Aleph to inspect The Submariner and offer an opinion. His one-line diagnosis — “He has tasted God and it has struck Him mad. There’s no cure for the thing.” — and refusal to elaborate had been taken as a philosopher’s shrug.

At the height of the crisis Aleph appears at the ledge from which mInds are jumping into direct Quandary exposure and delivers the speech that gives the chapter its thesis. He argues for the Message hypothesis and the “middle-way”: build the sciences up to meet the Quandaries, don’t hurl minds into them. See The Message for the substance.

Aftermath

The suicides “mostly stopped.” MInd society reorganises around the systematic study of galactic formation, gauge theory, and storm turbulence, all at once, with “an intensity rarely witnessed in any civilisation.” The resolution is gradual and uncertain in duration.

Who knows how much time passed? And who can say what became of their civilisation?

The mInd culture eventually decodes enough of The Message to depart for a condition the narrator “cannot name.” The mother planet is left bare. The Crisis is, retrospectively, the last biological-style crisis in mInd history — the last time the lineage behaves like its ancestors.

Consequences

• Hundreds of millions of mInd deaths; thousands of mute/catatonic survivors.
• The Message hypothesis becomes the organising frame for all subsequent mInd science.
• The mInds, eventually, leave the universe as we understand it.
• In the book’s larger arc, the Crisis is a bookend for the trajectory begun by the Ch. 04 Artie War: the arties who once fought humans for personhood end their line as a post-human garden civilisation broken and remade by three pieces of forbidden knowledge.

Appearances

• Ch. 06 — And the Leaves All Sing of God: Entire story.

Related

• The Great Quandaries — what the Crisis is about.
• The Message — Aleph’s framing, which ends the Crisis.
• Aleph, The Submariner
• Arcadia — the setting.
• Fall of the Galactic Human Empire — the prior event that cleared the ground.
• Mechanical Intelligence — the lineage, in its terminal phase.

Open questions

• How many mInds survive? The narrator says “mInd culture did not self-destruct as it appeared set to,” but gives no population figure.
• How long does the “patient study” phase last before departure? “An almost-infinity” is the chapter’s number, applied to the preceding paradise period; departure is left undated.
• Is the Crisis a one-off, or does the book gesture at it as a general failure mode that repeats in other lineages? The narrator’s line that “many have not met its challenge and gone rightfully up to the brink and backed down” implies the Crisis is one point in a larger population of civilisations facing the same Quandaries.