Date: 1805

"But Flint itself can teach to feel, / And soon subdue a breast of steel."

— Pratt, Samuel Jackson [pseud. Courtney Melmoth] (1749-1814)

Date: 1806

One may possess a great deal of spirit and "sterling merit"

— Wolcot, John, pseud. Peter Pindar, (1738-1819)

Date: 1806

"Tho' party-zeal inflam'd his iron heart, / And prejudice sharp pointed ev'ry dart; / With glowing thoughts, his mind profusely teem'd."

— Jerningham, Edward (1727-1812)

Date: 1806

"And now, cold horror trembles o'er my soul, / When thou in blank uncertainty array'd, / With iron-hearted deaf control / Throw'st all around thy awful, dubious shade"

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

Date: 1806

"Shall the caprice of nature, the deep tint / Of sultry climes, the feature varying, / Or the uncultur'd mind, endure the scourge / Of sordid tyranny, or heap the stores / Of his fair fellow man, whose ruddy cheek / Knows not the tear of pity; whose white breast / Conceals a heart, than adamant m...

— Robinson [Née Darby], Mary [Perdita] (1758-1800)

Date: 1807

"Tyrants have wept; and those with hearts of steel, / Unused the anguish of the heart to heal"

— Crabbe, George (1754-1832)

Date: 1807

"No, no; fear, hatred, envy, all have steeled / The heart of England's Queen."

— Graham, James (1765-1811)

Date: 1807

"Miscreant! thy words, far from appalling me / With the full marshalled horrors of this day, / They steel my heart"

— Graham, James (1765-1811)

Date: 1807-8

"Thus with the show of reason, but with hearts, / By faction tainted, and by envy steel'd / Against their youthful leader, they had hop'd / By these inglorious councils to degrade / And tarnish his high fame."

— Burges, Sir James Bland (1752-1824)

Date: w. 1797-1807, published 1893

"With tears of sorrow incessant she labourd the food of Orc / Compelld by the iron hearted sisters Daughters of Urizen"

— Blake, William (1757-1827)