Strictly speaking, the idea of a scientific poem is probably as nonsensical as that of a poetic science.
(Friedrich Von Schlegel (1772-1829), German philosopher. Aphorism 61 in Selected Aphorisms from the Lyceum (1797), translated by Ernst Behler and Roman Struc, Dialogue on Poetry and Literary Aphorisms, Pennsylvania University Press (1968).)
The award of a pure gold medal for poetry would flatter the recipient unduly: no poem ever attains such carat purity.
(Robert Graves (1895-1985), British poet, novelist. Address, January 1960, to the Oxford University Philological Society. "Poetic Gold," Oxford Addresses on Poetry (1962).
Graves had been awarded a gold medal for services to poetry by the National Poetry Society of America.)
The great poem must have the stamp of greatness as well as its essence.
(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, p. 403, Houghton Mifflin (1906).)