Date: 1699

"We do plainly perceive that our Bodies are clogs to our Minds: And all the use that even the purest sort of Body in an Estate conceived to be glorified, can be of to a Mind, is to be an Instrument of local Motion, or to be a repository of Ideas for Memory and Imagination."

— Burnet, Gilbert (1643-1715)

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: January 1739

"I know that the fear of the civil magistrate is as strong a restraint as any of iron, and that I am in as perfect safety as if he were chain'd or imprison'd."

— Hume, David (1711-1776)

Date: January 1739

"Here is a connected chain of natural causes and voluntary actions; but the mind feels no difference betwixt them in passing from one link to another."

— Hume, David (1711-1776)

Date: 1748, 1754

"If we attend to that Curiosity, or prodigious Thirst of Knowledge, which is natural to the Mind in every Period of its Progress, and consider withal the endless Round of Business and Care, and the various Hardships to which the Bulk of Mankind are chained down, it is evident, that in this presen...

— Fordyce, David (bap. 1711, d. 1751)

Date: 1751, 1777

"I suppose, if Cicero were now alive, it would be found difficult to fetter his moral sentiments by narrow systems; or persuade him, that no qualities were to be admitted as virtues, or acknowledged to be a part of personal merit, but what were recommended by The Whole Duty of Man."

— Hume, David (1711-1776)

Date: 1767

"One obvious effect of it is, that it confines the attention to artificial rules, and ties the mind down to the observance of them, perhaps at the very time that the imagination is upon the stretch, and grasping at some idea astonishingly great, which however it is obliged, though with the utmost...

— Duff, William (1732-1815)

Date: 1770

"But this faculty [Reason] has been much perverted, often to vile, and often to insignificant purposes; sometimes chained like a slave or malefactor, and sometimes soaring in forbidden and unknown regions."

— Beattie, James (1735-1803)

Date: 1791

"Your resolution to obey your father I sincerely approve; but do not accustom yourself to enchain your volatility by vows; they will sometime leave a thorn in your mind, which you will, perhaps, never be able to extract or eject."

— Boswell, James (1740-1795)

Date: 1791

"His supposed orthodoxy here cramped the vigorous powers of his understanding. He was confined by a chain which early imagination and long habit made him think massy and strong, but which, had he ventured to try, he could at once have snapt asunder."

— Boswell, James (1740-1795)