As above, so below

The claim that the same pattern repeats at every scale, so that what is true of the cosmos is true of the city, the body and the mind — and therefore that studying one is studying all of them.

The strongest rhyme in the whole annex, and nearly an identity: the four worlds mirroring each other, the sephirot mapped on a human body, Adam Kadmon as the shape of everything, the rabbis' olam katan — the human being as a small world. If any single idea on this bench is genuine shared ancestry rather than coincidence, it is this one.