Date: 1748, 1749

"The former have explored and unravelled the labyrinth of Man. They alone have discovered to us those hidden springs concealed under a cover, which hides from us so many wonders."

— Julien Offray de La Mettrie (1709-1751)

Date: 1748, 1749

"Man is a machine so compound, that it is impossible to form at first a clear idea thereof, and consequently to define it. This is the reason, that all the enquiries the philosophers have made a priori, that is, by endeavouring to raise themselves on the wings of the understanding have proved ine...

— Julien Offray de La Mettrie (1709-1751)

Date: 1748, 1749

"In proportion as the motion of the blood grows calm, a soft soothing sense of peace and tranquility spreads itself over the whole machine; the soul finds itself sweetly weighed down with slumber, and sinks with the fibres of the brain: it becomes thus paralytic as it were, by degrees, together w...

— Julien Offray de La Mettrie (1709-1751)

Date: 1748, 1749

"The human body is a machine that winds up its own springs: it is a living image of the perpetual motion."

— Julien Offray de La Mettrie (1709-1751)

Date: 1748, 1749

"We think not, nay, we are not honest men, but as we are chearful, or brave; all depends on the manner of winding up the machine."

— Julien Offray de La Mettrie (1709-1751)

Date: 1748, 1749

"Is there any further occasion, to prove that man is but an animal, made up of a number of springs, which are all put in motion by each other; and yet we cannot tell to which part of the human structure first set her hand. If these springs differ amongst themselves, this arises from their particu...

— Julien Offray de La Mettrie (1709-1751)

Date: 1748, 1749

"The body may be consider'd as a clock, and the fresh chyle we may look upon as the former of that clock."

— Julien Offray de La Mettrie (1709-1751)

Date: 1751, 1777

"We may as well imagine, that minute wheels and springs, like those of a watch, give motion to a loaded wagon, as account for the origin of passion from such abstruse reflections."

— Hume, David (1711-1776)

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: 1751

"The sympathy, therefore, or consent observed between the nerves of various parts of the body, is not to be explained mechanically, but ought to be ascribed to the energy of that sentient being, which seems in a peculiar manner to reside in the brain, and, by means of the nerves, moves, actuates,...

— Whytt, Robert (1714-1766)