Date: 1710, 1714

"Shou'd a Philosopher, after the same manner [as a visitor to a Watchmaker's Shop], employing himself in the Study of human Nature, discover only, what Effects each Passion wrought upon the Body; what change of Aspect or Feature they produc'd; and in what different manner they affected the Limbs ...

— Cooper, Anthony Ashley, third earl of Shaftesbury (1671-1713)

Date: 1715

"Musick's the Spring made by Divinest Art, / To move the Vital Machine of Man's Heart, / And circulate with Pow'r thro' ev'ry Part."

— Oldisworth, William (1680-1734)

Date: October 1750, 1752, 1791

"The less the body to the view, / The soul (like springs in closer durance pent) / Is all exertion, ever new, / Unceasing, unextinguish'd, and unspent"

— Smart, Christopher (1722-1771)

Date: 1755

"Lord have mercy upon us! said the squire, did not I tell your worship to consider well what you were about? did not I assure you, they were no other than wind-mills? indeed no body could mistake them for any thing else, but one who has wind-mills in his own head!"

— Cervantes Saavedra, Miguel de (1547-1616); Smollett, Tobias (1721-1771)