References in classic literature ?
The indistinctness mocked him even while he stared, affected him as somehow shrouding or challenging certitude, so that after faltering an instant on his step he let himself go with the sense that here WAS at last something to meet, to touch, to take, to know - something all unnatural and dreadful, but to advance upon which was the condition for him either of liberation or of supreme defeat.
When we have been prowling at midnight through the gloomy crevices they call streets, where no footfalls but ours were echoing, where only ourselves were abroad, and lights appeared only at long intervals and at a distance, and mysteriously disappeared again, and the houses at our elbows seemed to stretch upward farther than ever toward the heavens, the memory of a cave I used to know at home was always in my mind, with its lofty passages, its silence and solitude, its shrouding gloom, its sepulchral echoes, its flitting lights, and more than all, its sudden revelations of branching crevices and corridors where we least expected them.
Take care, Monica dear," said one, shrouding herself in the lace curtain; "don't let them see us.