Date: 1761, 1790

"Such then is God, a spirit pure refin'd / From all material dross, and such the human mind."

— Jenyns, Soame (1704-1787); Browne, Isaac Hawkins (1706-1760)

Date: 1762

"To mine the king of Iniscon,' said Connal, 'heart of steel'"

— Ossian; Macpherson, James (1736-1796)

Date: 1762

"But when the king came, in the sound of his course, what heart of steel could stand!"

— Ossian; Macpherson, James (1736-1796)

Date: 1762

"My soul, that never melted before; it was like the steel of my sword"

— Ossian; Macpherson, James (1736-1796)

Date: 1765

"To give a heart of triple steel / The Lord's humanity to feel"

— Smart, Christopher (1722-1771)

Date: 1767

"A heart of oak, and breast of brass / Were his, who first presum'd on seas to pass, / And ever ventur'd to engage, / In a slight skiff, with ocean's desperate rage."

— Smart, Christopher (1722-1771); Horace (65 B.C. -8 B.C.)

Date: 1770

"Sylvia, if you persist to steel your heart, / Expect a mansion in that dire abode."

— Stockdale, Percival (1736-1811)

Date: 1770

"Mean while, the duties of a man revolve, / And steel thy bosom with the firm resolve"

— Stockdale, Percival (1736-1811)

Date: 1776

"One breast alone against his rage was steel'd, / Secure in spotless Truth's celestial shield"

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

Date: 1776

"Forgive, O king, if as a man I feel, / I bear no bosom of obdurate steel"

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