Date: 1720

"Ah vile Heart, more obdurate and harder than Adamant! upon this cruel Anvil was forged the Chains that bound up my unlucky Destiny!"

— Manley, Delarivier (c. 1670-1724)

Date: 1726

" For as the Face is the Index of the Mind, I am of Opinion, a Person of nice Judgment and Observation may discover a false Passion, with as much ease, as a Jeweller would distinguish the different Species of Stones (if we may call them so.)"

— Chetwood, William Rufus (d. 1766)

Date: 1747-8

"Because a woman's heart may be at one time adamant, at another wax."

— Richardson, Samuel (bap. 1689, d. 1761)

Date: 1752

"His Mind was formed of those firm Materials, of which Nature formerly hammered out the Stoic, and upon which the Sorrows of no Man living could make an Impression. "

— Fielding, Henry (1707-1754)

Date: 1794, 1797

"If you have reduced me to the necessity of again debating the same painful and gloomy question, if you cannot give that elasticity to my mind which will animate it to despise difficulty and steel it against injustice, however good your intentions may have been, I fear you have but imposed misery...

— Holcroft, Thomas (1745-1809)

Date: 1796

"The climate's heat, 'tis well known, operates with no small influence upon the constitutions of the Spanish ladies: but the most abandoned would have thought it an easier task to inspire with passion the marble statue of St. Francis than the cold and rigid heart of the immaculate Ambrosio."

— Lewis, Matthew Gregory (1775-1818)