Date: 1775

"[T]here may be a farther difference in the constitution of the nerves belonging to the different senses, or there may be so many circumstances that affect or modify their vibrations, that they may be as distinguishable from one another, as different human voices sounding the same note; and proba...

— Priestley, Joseph (1733-1804)

Date: 1817

Milton in his "latter days" was "poor, sick, blind, slandered, persecuted [...] yet still listening to the music of his thoughts."

— Coleridge, Samuel Taylor (1772-1834)

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)