In 1937, E. E. Evans-Pritchard documented the benge oracle among the Azande of central Africa: a fowl is fed a measured dose of poison; whether it lives or dies answers the question put. Sensible enough. What interested the Professor — and made his account famous — was what happened when the oracle was wrong.
It was never simply wrong. The poison was bad; a taboo had been breached; a witch interfered; the question was improperly framed. Every failure was metabolised into fresh confirmation, and the oracle itself was never once put at risk. Evans-Pritchard’s own observation was that the system is perfectly coherent once you grant its premises — which is exactly what makes it the control case for the divination chapter. Coherence cannot distinguish a true reading from a closed loop. The system felt, from inside, like being right about everything.
The Witness names it the serpent with its tail in its mouth, and credits the Professor with drawing the ouroboros from life before anyone had a word for it. Its modern descendant appears when the AI assistant disappoints: you prompted it poorly, you wanted the better model, you did not give it enough of yourself. The secondary elaborations are the same; only the technology changed.
Sources. E. E. Evans-Pritchard, Witchcraft, Oracles and Magic among the Azande (1937) — the benge poison oracle and the “secondary elaborations” that reabsorb every failure. Search: Evans-Pritchard Azande poison oracle benge secondary elaboration.
Appears in: Divination, and Her Thoroughly Modern Daughter