Hanc autem similitudinem ex eo sumpsisse videntur, quod is numerus versuum, uti cybus, in quemcumque sensum insederit, inmotam efficiat ibi memoriae stabilitatem.
Now this analogy they seem to have taken from the fact that this number of verses, like a cube upon whatever sense it falls, makes the memory there stable and unmoved.
final_alignments\Vitruvius_Architecture_Book_5.json