For the most part we think that there are few degrees of sublimity, and that the highest is but little higher than that which we now behold; but we are always deceived. Sublimer visions appear, and the former pale and fade away.
Henry David Thoreau (1817–1862), U.S. philosopher, author, naturalist. A Week on the Concord and Merrimack Rivers (1849), in The Writings of Henry David Thoreau, vol. 1, pp. 309-310, Houghton Mifflin (1906).