Date: 1686, 1689, 1697

"Having spoken in the foregoing Chapter of the Improvements of the Mind by Erudition, it follows of Course that we speak of the Improvement of the Body by Exercise. Indeed a Vigorous and Athletick Habit of Body, doth extreamly advance the like Disposition and Ability in the Mind; Since all Intell...

— Nourse, Timothy (c.1636–1699)

Date: Read 1680-1681, published 1705

"But of this, and the manner of contracting of the Pupil, more, when I come to explain that part of the Eye; that which intention it for at present is, only to explain how the Eye becomes as it were a Hand, by which the Brain feels, and touches (the Objects, by creating a Motion in the Retina, th...

— Hooke, Robert (1635-1703)

Date: 1714

"But when a monad has organs that are adjusted in such a way that, through them, there is contrast and distinction among the impressions they receive, and consequently contrast and distinction in the perceptions that represent them [in the monads] (as, for example, when the rays of light are conc...

— Leibniz, Gottfried Wilhelm (1646-1716)