Date: April, 1783

"Has he been at work all night without being conscious of it. Have other spirits been making impressions on his sensorium. Are there faculties in the mind quite separate one from another, which, like the eyes of Argus, may some of them be awake while others are asleep, and is the great faculty of...

— Boswell, James (1740-1795)

Date: 1783

"The human brain is a bodily substance; and sensible and permanent impressions made upon it must so far resemble those made on sand by the foot, or on wax by the seal, as to have certain shape, length, breadth, and deepness"

— Beattie, James (1735-1803)

Date: 1785

"To this it is owing, that, in ancient languages, the word which denotes the soul, is that which properly signifies breath or air."

— Reid, Thomas (1710-1796)