Date: 1748, 1749

"Such is the chaos, such the rapid and continual succession of our ideas; they drive one another successively, as one wave impels another; so that it the imagination does not employ a part of its muscles, poised as it were in an equilibrium upon the strings of the brain, so as to sustain itself s...

— Julien Offray de La Mettrie (1709-1751)

Date: Tuesday, January 22, 1751

"It is, perhaps, not impossible to promote the cure of this mental malady, by close application to some new study, which may pour in fresh ideas, and keep curiosity in perpetual motion."

— Johnson, Samuel (1709-1784)

Date: 1771

"Now as our Feet in vain venture to walk upon the River, till the Frost bind the Current, and harden the yielding Surface; so does the SOUL in vain seek to exert its higher Powers, the Powers I mean of REASON and INTELLECT, till IMAGINATION first fix the fluency of SENSE, and thus provide ...

— Harris, James (1709-1780)