Date: 1682

"Betwixt violent Passion, and a Fluctuation, or Wambling of the Mind, there is such a Difference, as betwixt the Agitation of a Storm, and the Nauseous Sickness of a Calm."

— L'Estrange, Sir Roger (1616-1704)

Date: 1788-89

"But on the system of Plato, they differ as much as delusions and reality; for here the vital, permanent, and lucid nature of ideas is the fountain of science; and the inert, unstable, and obscure nature of sensible objects, the source of sensation."

— Taylor, Thomas (1758-1835)