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: 1761

"Did not your master Plato maintain, that all the art of man, that all philosophy could not extract from the human mind what nature had not implanted there; as all the operations in chemistry are incapable of extracting from any mixture more gold than is already contained in it?"

— Rousseau, Jean-Jacques (1712-1778); Kenrick, William (1729/30-1779)

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: 1762

"A Scythian's heart is steel'd 'gainst panic terrors."

— Cradock, Joseph (1742-1826)

Date: 1762

"Gods, steel my injur'd heart!"

— Cradock, Joseph (1742-1826)

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)