Date: 1712

"See, how resistless Orators perswade, / Draw out their Forces, and the Heart invade: / Touch ev'ry Spring and Movement of the Soul, / This Appetite excite, and That controul."

— Blackmore, Sir Richard (1654-1729)

Date: 1712

"What Philosophic Builder will essay / By Rules Mechanic to unfold the way / How a Machine must be dispos'd to think, / Ideas how to frame, and how to link?"

— Blackmore, Sir Richard (1654-1729)

Date: 1712

Lucretius and Epicurus are asked, "How to the Mind a Thought reflected goes, / And how the conscious Engine knows it Knows."

— Blackmore, Sir Richard (1654-1729)

Date: 1712

"Tell us, Lucretius, Epicurus, tell, / And you in Wit unrival'd shall excel, / How thro' the outward Sense the Object flies, / How in the Soul her Images arise. / What Thinking, what Perception is, explain; / What all the airy Creatures of the Brain; / How to the Mind a Thought reflected goes, / ...

— Blackmore, Sir Richard (1654-1729)

Date: 1723

"Can'st say what diff'rent Turns the Spirits take, / When they of diff'rent Kinds Impressions make; / What vital Springs those Spirits in their Flight / Strike to cause Torment, what to give Delight."

— Blackmore, Sir Richard (1654-1729)

Date: 1726, 1729

"Let us Instance in a Watch--Suppose the several Parts of it taken to Pieces, and placed apart from each other: Let a Man have ever so exact a Notion of these several Parts, unless he considers the Respects and Relations which they have to each other, he will not have any thing like the Idea of a...

— Butler, Joseph (1692-1752)

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: 1751

"If any Man hath found out a Kind of Motive which doth not affect himself, he hath made a deeper Investigation into the 'Springs, Weights, and Balances' of the human Heart, than I can pretend to."

— Brown, John (1715-1766)

Date: 1752

A puppet may be "compell'd by secret Springs" just as an engine "moves with Motions not its own"

— Duncombe, John (1729-1786) [pseud.]

Date: 1757

"I only told him civilly, Past three o'clock and a cloudy morning!-- [...] --when, heyday! says he, (there he stands, let 'en deny it if he can) and coming up to me--what have we here?-- a human Clock!--a very odd kind of Repeater upon my soul!--one of the hours 'egad strolling about, in a...

— Bacon, Phanuel (1700-1783)