Down the winding cavern we groped our tedious way, till a void boundless as the nether sky appeared beneath us, and we held by the roots of trees and hung over this immensity; but I said: if you please we will commit ourselves to this void and see whether providence is here also.
O Winter! bar thine adamantine doors: The north is thine; there hast thou build thy dark, Deep-founded habitation. Shake not thy roofs, Nor bend thy pillars with thine iron car.
Does a firm persuasion that a thing is so, make it so?" He replied, "All poets believe it does. And in ages of imagination, this firm persuasion removes mountains; but many are not capable of firm persuasion of anything.