It helped the proponents of tenebrosity
that the Hymn to Night attributed to Orpheus came to publication by Henri Estienne in 1566, ritualizing the beneficence of the dark hours for scholars and artists alike.
To emphasize this contrast of openness with secret and pernicious tenebrosity
, the narrator calls special attention to the fact that Dinah, the moral touchstone of the novel, preaches her lesson of patience and humility out of doors and in the open.
Several hours were to elapse, in the keeping of his lackeys, before the Envoy of My Lord the Count of Tyrol might see or even be seen to by His Grace the Duke of Ferrara, though from such neglect no deliberate slight need be inferred: now that I have had an opportunity - have had, indeed, the obligation - to fix on His Grace that perlustration or power of scrutiny for which (I believe) My Lord holds his Envoy's service in some favor still, I see that the Duke, by his own lights or, perhaps, more properly said, by his own tenebrosity
, could offer some excuse for such cunctation .