Date: w. 1821, 1840

"Man is an instrument over which a series of external and internal impressions are driven, like the alternations of an ever-changing wind over an Aeolian lyre, which move it by their motion to ever-changing melody."

— Shelley, Percy Bysshe (1792-1822)

Date: 1900, 1901

"Deep in our souls we should hear the strains of our inner life’s unbroken melody,--a music that is ofttimes gay, but more frequently plaintive and always original."

— Bergson, Henri-Louis (1859-1941)