Date: 1765

"une pierre de marbre qui a des veines plutôt que d'une pierre de marbre tout unie ou de tablettes vides, c'est-à-dire de ce qui s'appelle tabula rasa chez les philosophes."

— Leibniz, Gottfried Wilhelm (1646-1716)

Date: 1842

"For a shrewd intellect, the best employ / Is to detect a soul of base alloy;"

— Frere, John Hookham (1769-1846)

Date: August 1745

"Come fill the glass, my hearts of gold, / To Britain's Heroes brisk and bold;"

— Warton, Thomas, the younger (1728-1790)

Date: 1702

"We'll think she brings with her Estate a Mind, / Pure as her Sterling, from it's Dross Refin'd."

— Sedley, Sir Charles (1639-1701)

Date: 1842

None "can I find / No sterling unadulterated mind; / None that abides the crucible like mine"

— Frere, John Hookham (1769-1846)

Date: 1742-1750

"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: 1764

'In spring eternal, lay a plain / Where our brave fathers used to train / Their sons to arms, to teach the art / Of war, and steel the infant heart"

— Churchill, Charles (1731-1764)

Date: November 25, 1773

"You've seen me round the bickers reel / Wi' heart as hale as temper'd steel,"

— Fergusson, Robert (1750-1774)

Date: 1746

"And with him took none but O'Neil, / Whose heart he found as true as steel"

— Graham, Dougal (bap. 1721, d. 1779)

Date: 1722

"nor is my heart nae mair than yours of steel"

— Ramsay, Allan (1684-1758)