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: 1776

"If you really then think that, every process, termed mental, in man, is in fact nothing more than so many distinct nervous vibrations, then I readily grant that matter may think, for undoubtedly every stretched cord, when touched, will vibrate; and I will farther grant, that a fiddle, in that se...

— Berington, Joseph (1743-1827)

Date: 1902

"However, in the common order of things, alas, 'the mind is an orchestra, where the musicians are not always in agreement; where the conductor, when there is one, is not always obeyed.'"

— Spiller, Gustav (1864-1940)