Date: 1686, 1689, 1697

"As soon as ever the Parts begin to be form'd by Nature, this Animal and active Principle begins to exert its Heat and Force, being lodged in the Heart as in the Centre of the Body, from whence, as the Vessels begin also to be form'd, it distributes it self towards the extreme Regions, communicat...

— Nourse, Timothy (c.1636–1699)

Date: 1710, 1714

"Every Man indeed who is not absolutely beside himself, must of necessity hold his Fancys under some kind of Discipline and Management."

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

Date: September 10, 1726

"Now, according to my supposition, there being no active intelligent Being, who, by his Presence and Superintendency, governs and directs the Course of those vagabond Images, every thing in the Brain resembles the fortuitous concourse of Atoms."

— Arbuckle, James (d. 1742)