Add this innate creative capacity to Leibniz' perspective of lower monads without windows upon the universe. At that point you have something that is very much like artistic composition where apparently fixed elements of musical intervals or rhythmic versification allow an infinite array of potential de novo experiments establishing harmony. This is what Leibniz meant by pre-established harmony as the best of all possible worlds.
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Possible shapes for the yeast protein Bsc4 that the computer algorithm QUARK predicted using only the protein’s amino acid sequences. (Image: Matthew Cordes, using UCSF Chimera molecular graphics package)