Queryable knowledge is expertise that exists in a human head but has not been transferred to any system: not written as a prompt, not organized as a database, not machine-readable. Quotable knowledge is a step further out: knowledge that has never been put into words by anyone, that lives in the empty space between sources, in instinct and embodied practice.
The distinction comes from the fourth essay, where an AI's accidental word-swap (the author wrote "queryable", the AI substituted "quotable") turned out to name something real. These two edges, the untransferred and the unverbalized, are where human advantage currently lives. The bottleneck in AI-assisted work has quietly moved from whether the machine can reason to whether a human can hand it the right context. Whoever holds knowledge that is not yet queryable controls what the machine can do with it; whoever holds knowledge that was never quotable contributes something no retrieval can reach.
The practical consequence: your value in an AI×HI relationship increasingly is the transfer itself, deciding what to make queryable, in what form, and what stays embodied.