Date: 1724

"As a Stone in a Wall, fastened with Mortar, compressed by surrounding Stones, and involved in a Million of other Attractions, cannot fall to the Earth, nor sensibly exert its natural Gravity, no, not so much as to discover there is such a Principle in it; just so, the intelligent Soul, in this h...

— Cheyne, George (1671-1743)

Date: 1734

"The Mind, or Understanding, is consider'd as a Principle of Light or Discerning; as the Senses and Affections are supposed to be blind."

— Forbes of Pitsligo, Alexander Forbes, Lord (1678-1762)

Date: 1734

"Taking Reason therefore only for the natural Light of the Mind, we may well enough conclude, that natural Truths, or Principles, belong to it, as visible Objects belong to the Eye."

— Forbes of Pitsligo, Alexander Forbes, Lord (1678-1762)

Date: 1734

"The question is, how this Familiarity arises? and how the Cabinet comes to be sensible of any thing that's put into it? A Scritore knows nothing of the Papers which the careful Banker locks up in it? Or a Glass, tho' it may be said to receive the Image of a Beau, and he really sees somewhat of h...

— Forbes of Pitsligo, Alexander Forbes, Lord (1678-1762)

Date: 1734

"And if it be said that the Understanding, which is but passive it self, like the bodily Eye, cannot be called the Leader of the rest of the Faculties; it must be granted, that (strictly speaking) it is rather the Light than the Guide: for if we consider it in the three Operations mention'd by th...

— Forbes of Pitsligo, Alexander Forbes, Lord (1678-1762)

Date: January 1739

"In general we may remark, that the minds of men are mirrors to one another, not only because they reflect each others emotions, but also because those rays of passions, sentiments and opinions may be often reverberated, and may decay away by insensible degrees."

— Hume, David (1711-1776)

Date: 1742

"So engaging are the sentiments of humanity, that they brighten up the very face of sorrow, and operate like the sun, which, shining on a dusky cloud or falling rain, paints on them the most glorious colours which are to be found in the whole circle of nature."

— Hume, David (1711-1776)

Date: 1748, 1777

"They [these impressions] are not only placed in a full light themselves, but may throw light on their correspondent ideas, which lie in obscurity."

— Hume, David (1711-1776)

Date: 1748, 1754

"[T]his Perception is not a Creature of the Mind, but a Ray emanating directly from the Father of Lights, a fair genuine Stamp of his Hand, who impressed every vital and original Energy on the Mind"

— Fordyce, David (bap. 1711, d. 1751)

Date: 1748, 1754

"[T]he Relation we stand in to God, will irradiate the Mind with the Light of Wisdom, and ennoble it with the Liberty and Dominion of Virtue."

— Fordyce, David (bap. 1711, d. 1751)