Date: 1699

"And after they are come to their full growth, they cannot hold in that condition long, but sink down much faster than they grew up; some Humours or Diseases discomposing the Brain, which is the Seat of the Mind so entirely, that it cannot serve it, at least so far as to Reflex Acts."

— Burnet, Gilbert (1643-1715)

Date: 1699

"I justified my use of the word Spirit in that Sense from the Authorities of Cicero and Virgil, applying the Latin word Spiritus, from whence Spirit is derived, to the Soul as a thinking Thing, without excluding Materiality out of it. To which your Lordship replies,*That Cicero, in his Tusculan Q...

— Locke, John (1632-1704)