Date: 1711

"From this we may further conclude, that as the Soul acts not immediately upon Bone, Flesh, Blood &c. nor they upon that, so there must be some exquisitely small Particles, that are the Internuncii between them, by the help of which they manifest themselves to each other."

— Mandeville, Bernard (bap. 1670, d. 1733)

Date: 1711

"Then you would have this variously disposing of the Images to be the work of the Spirits, that act under the Soul, as so many Labourers under some great Architect."

— Mandeville, Bernard (bap. 1670, d. 1733)

Date: 1711

"We must consider the Soul as the Skill of an Artificer, whilst the Organs of the Body are her Tools; for as the Body and its most minute Spirits are wholly insignificant, and cannot perform that Operation which we call thinking without the Soul more than the Tools of an Artificer, can do anythin...

— Mandeville, Bernard (bap. 1670, d. 1733)

Date: 1711

"The Internuncii you speak of, are the Animal Spirits, and that they are the intermediate Officers between the Soul and the grosser parts of the Body no Man denies."

— Mandeville, Bernard (bap. 1670, d. 1733)

Date: 1711

"And reflecting on what is transacted within us, it seems to me a very diverting Scene to think when we strive to recollect something that does not then occur; how nimbly those volatil Messengers of ours will beat through all the Paths, and hunt every Enclosure of the Organ set aside for thinking...

— Mandeville, Bernard (bap. 1670, d. 1733)

Date: 1748, 1749

"If reason is the slave of depraved, or distracted sense, how then can it be expected, that at that time it should be governor?"

— Julien Offray de La Mettrie (1709-1751)

Date: 1748, 1749

"And where is the wonder that the body when in health should be subservient, for how can it resist that torrent of blood, and all those spirits which are ready to force obedience, the will having for its ministers an invisible army of fluids, always ready to receive its orders, and as quick as li...

— Julien Offray de La Mettrie (1709-1751)

Date: January 1762

"C’est lui qui porte le flambeau au fond de la caverne; c’est lui qui apprend à discerner les motifs subtils et déshonnêtes qui se cachent et se dérobent sous d’autres motifs qui sont honnêtes et qui se hâtent de se montrer les premiers. Il souffle sur le fantôme sublime qui se présente à l’entré...

— Diderot, Denis (1713-1784)