Then the Old Man of the Earth stooped over the floor of the cave, raised a huge stone from it, and left it leaning. It disclosed a great hole that went plumb-down. "That is the way," he said. "But there are no stairs." "You must throw yourself in. There is no other way.
George MacDonald (2015). “The Complete Works of George MacDonald: Novels, Short Stories, Poetry, Theological Writings & Essays (Illustrated): The Princess and the Goblin, Phantastes, At the Back of the North Wind, Lilith, England’s Antiphon, David Elginbrod, Malcolm, The Light Princess, The Golden Key and many more”, p.2287, e-artnow