These, too, seem to me so ambiguous, so vague, so easily misunderstood in comparison to genuine music, which fills the soul with a thousand things better than words.
Felix Mendelssohn's letter to Marc-Andre Souchay (October 15, 1842) as quoted in "Letters of Felix Mendelssohn Bartholdy from 1833 to 1847" edited by Paul Mendelssohn Bartholdy, Dr. Carl Mendelssohn Bartholdy (pp. 313-314), 1863.
