Date: 1749

"Yes; our soul the iron enters, / Sin is perfect misery"

— Wesley, John and Charles

Date: 1749

"Though I have steel'd my stubborn heart"

— Wesley, John and Charles

Date: 1749

"From all idolatrous excess, / From earthly dross refine, / And on my simple heart impress / The character Divine"

— Wesley, John and Charles

Date: w. 1742-1750, 1803

"Ne ought with him availeth sexe or age; / Ne hoary elde, ne tender infant's cries / Can melt his iron heart in any wise"

— Cambridge, Richard Owen (1717-1802)

Date: 1751

Religion shall "Shall purge their Minds from all impure Allays / Of sordid Selfishness and brutal Sense,"

— West, Gilbert (1703-1756)

Date: 1751, 1774

"Her heart pursued spite with black intent, / Ne could her iron mind at human woes relent."

— Lloyd, Robert (bap. 1733, d. 1764)

Date: 1752

"The Man, who sharpen'd first the warlike Steel, / How fell and deadly was his iron Heart"

— Hammond, James (1710-1742)

Date: 1752

"His Hope revives, fresh Courage steels his Heart."

— Browne, Moses (1706-1787)

Date: 1752, 1790

The gentleman "To Figg and Broughton ... commits his breast, / To steel it to the fashionable test

— Jenyns, Soame (1704-1787)

Date: 1752, 1791

"Is apathy, is heart of steel, / Nor ear to hear, nor sense to feel."

— Smart, Christopher (1722-1771)