Date: 1794

"If our recollection or imagination be not a repetition of animal movements, I ask, in my turn, What is it? You tell me it consists of images or pictures of things. Where is this extensive canvas hung up? or where are the numerous receptacles in which those are deposited? or to what else in the a...

— Darwin, Erasmus (1731-1802)

Date: 1817

"In our perceptions we seem to ourselves merely passive to an external power, whether as a mirror reflecting the landscape, or as a blank canvas on which some unknown hand paints it."

— Coleridge, Samuel Taylor (1772-1834)

Date: 1817

"The wise Stagyrite speaks of no successive particles propagating motion like billiard balls (as Hobbs;) nor of nervous or animal spirits, where inanimate and irrational solids are thawed down, and distilled, or filtrated by ascension, into living and intelligent fluids, that etch and re-etch eng...

— Coleridge, Samuel Taylor (1772-1834)