Date: 1794, 1800

"Be hot with wrath, great iron-hearted Mack"

— Williams, John [pseud. Anthony Pasquin] (1754-1818)

Date: w. 1787, 1797

"They only who are curst with breasts of steel / Can mock the foibles of surviving love"

— Mason, William (1725-1797)

Date: w. 1794, 1797

"'Tis only those of purer clay / 'From sensual dross refined, / 'In whom the passions pleas'd obey / 'The God within the mind, / 'Who share my delegated aid, / 'Through Wisdom's golden mean convey'd / 'From the first source of sov'reign good."

— Mason, William (1725-1797)

Date: w. 1779, published 1800

"His iron-heart with Scripture he assail'd, / Woo'd him to hear a sermon, and prevail'd."

— Cowper, William (1731-1800)

Date: w. 1779, published 1800

"Now strike me to the ground, on which I kneel, / Ere yet this heart relapses into steel;"

— Cowper, William (1731-1800)

Date: 1801

"Some fickle creatures boast a soul / True as the needle to the pole; / Yet shifting, like the weather, / The needle's constancy forego / For any novelty, and show / Its variations rather."

— Cowper, William (1731-1800)

Date: 1806

"Tho' party-zeal inflam'd his iron heart, / And prejudice sharp pointed ev'ry dart; / With glowing thoughts, his mind profusely teem'd."

— Jerningham, Edward (1727-1812)