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See: Hamburg Report of Scholarly Matters, 1736, page 89 This handwritten addition refers to an 18th-century academic publication, indicating that this specific copy was studied by scholars long after its original printing.
Secrets made public become cheap; and once profaned, they lose their grace. original Latin: "Arcana publicata vilescunt: & gratiam prophanata amittunt." This is a classic Hermetic warning, suggesting that spiritual truths are diminished when shared with the uninitiated.
Therefore: do not cast pearls before swine, nor strew roses before an ass. original Latin: "Ergo: ne Margaritas objice porcis, seu Asino substernere rosas." This references the biblical warning in Matthew 7:6, while adding a clever pun on the "Rose" in Rosencreutz's name.