Authors:

Of darkness visible so much be lent, as half to show, half veil, the deep intent.

Alexander Pope, William Roscoe (1847). “The works of Alexander Pope, esq., with notes and illustrations, by himself and others. To which are added, a new life of the author, an Estimate of his poetical character and writings, and occasional remarks by William Roscoe, esq”, p.312
Of darkness visible so much be lent, as half to show, half veil, the deep intent.