Date: 1751

"My breast, by wary maxims steel'd, / Not all those charms shall force to yield"

— Smollett, Tobias (1721-1777)

Date: 1757, 1769

"As thus to touch his iron heart they try'd, / The Cyclops smiling, scornful thus reply'd:"

— Wilkie, William (1721-1772)

Date: Performed Dec 1756, published 1757

"The darts of destiny have almost pierc'd / My marble heart."

— Home, John (1722-1808)

Date: Performed Dec 1756, published 1757

"Men's minds are temper'd, like their swords, for war."

— Home, John (1722-1808)

Date: 1759

A "steely Heart can brave the boist'rous Seas"

— Grainger, James (1721-1766)

Date: 1759

"For well I know, nor Flint, nor ruthless Steel, / Can arm the Breast of such a gentle Maid."

— Grainger, James (1721-1766)

Date: 1759

"Who was the first that forg'd the deadly Blade? / Of rugged Steel his savage Soul was made."

— Grainger, James (1721-1766)

Date: 1760

"O happy stroke, that bursts the bonds of clay, / Darts through the rending gloom the blaze of day, / And wings the soul with boundless flight to soar, / Where dangers threat, and fears alarm no more."

— Beattie, James (1735-1803)

Date: 1760

"My heart is steel, / I weep not, nor complain."

— Home, John (1722-1808)

Date: 1762

"never joy, / Save th' anxious sordid one to view his gold, / Could touch his marble heart"

— Mickle, William Julius [formerly William Meikle] (1734-1788)