Poetry is adolescence fermented, and thus preserved.
(José Ortega Y Gasset (1883-1955), Spanish essayist, philosopher. repr. In The Dehumanization of Art and Other Essays (1968). "In Search of Goethe from Within," Partisan Review (New Brunswick, New Jersey, December 1949).)
For awhile after you quit Keats all other poetry seems to be only whistling or humming.
(F. Scott Fitzgerald (1896-1940), U.S. author. letter, Aug. 3, 1940, to his daughter Frances Scott Fitzgerald. The Letters of F. Scott Fitzgerald, ed. Andrew Turnbull (1963).
Fitzgerald described Ode on a Grecian Urn as "unbearably beautiful with every syllable as inevitable as the notes in Beethoven's Ninth Symphony" (same source).)
(William Gibson (b. 1948), U.S. science fiction (cyberpunk) writer. Molly Millions (razor-girl, former "meat-puppet," and antiheroine) in Neuromancer. Ch. 8, Ace Science Fiction (1984).
Describing the visionary language of the Rastafarians of "Zion cluster," an orbiting colony in a dystopian near-future.)