Date: 1724

"One Law of the Action of the Soul on the Body, & vice versa, seems to be, That upon such and such Motions produced in the Musical Instrument of the Body, such and such Sensations should arise in the Mind; and on such and such Actions of the Soul, such and such Motions in the Body should ensue; m...

— Cheyne, George (1671-1743)

Date: 1733

"May not the sentient Principle have its Seat in some Place in the Brain, where the Nerves terminate, like the Musician shut up in his Organ-Room? May not the infinite Windings, Convolutions, and Complications of the Beginning of the Nerves which constitute the Brain, serve to d...

— Cheyne, George (1671-1743)

Date: January 1739

"The mind is a kind of theatre, where several perceptions successively make their appearance; pass, repass, glide away, and mingle in an infinite variety of postures and situations."

— Hume, David (1711-1776)

Date: 1744

"The Preservation of Life, the defending the human Body from Decay, and of rendering it a fit Tenement for the Soul to inhabit, in that Season in which she is most capable of exerting her noblest Faculties, are grave and ferious Subjects; with which no trivial Matters ought to mingle."

— Campbell, John (1708-75)