Date: 1725

"The under Passions may, by their various Operations, cause some Diversity in the Colour and Complexion of the Whole, but 'tis the Master-Passion which must determine the Character."

— Gally, Henry (bap. 1696, d. 1769)

Date: 1731

"It must needs follow from hence, that Knowledge is an Inward and Active Energy of the Mind it self, and the displaying of its own Innate Vigour from within, whereby it doth Conquer, Master and Command its Objects, and so begets a Clear, Serene, Victorious, and Satisfactory Sense within it self."

— Cudworth, Ralph (1617-1688)

Date: 1704-5; 1731

"If a man's Body be under confinement, or he be impotent in his Limbs, he is then deprived of his bodily Liberty: And for the same Reason, if his Mind be blinded by sottish Errors, and his Reason over-ruled by violent Passions; is not This likewise plainly as great a Slavery and as ...

— Clarke, Samuel (1675-1729)

Date: Saturday, November 17, 1750

"[F]or most minds are the slaves of external circumstances, and conform to any hand that undertakes to mould them, roll down any torrent of custom in which they happen to be caught, or bend to any importunity that bears hard against them."

— Johnson, Samuel (1709-1784)

Date: 1763 (repr. 1776); 1794 (repr. 1799)

"That mind is said to be possessed of NATURAL LIBERTY, or liberty of choice, which is so constituted, as that its volitions shall not be invincibly determined by any foreign cause or consideration whatever offered to it, but by its own sovereign pleasure."

— Doddridge, Philip (1702-1751)

Date: 1763 (repr. 1776); 1794 (repr. 1799)

"PHILOSOPHICAL LIBERTY consists in a prevailing disposition to act according to the dictates of reason; i. e. in such a manner, as shall, all things considered, most effectually promote our happiness. A disposition to act contrary to this is MENTAL SERVITUDE: and when the mind is equally...

— Doddridge, Philip (1702-1751)

Date: 1775

"Also those phenomena in nature which depend upon gravity, electricity, &c. are no less various and complex; and the more we know of nature, the more particular facts, and particular laws, we are able to reduce to simple and general laws: insomuch that now it does not appear impossible, but that,...

— Priestley, Joseph (1733-1804)