Date: 1786, 1787, 1788; 1789

"Oh! I'm sick to the soul, to see Music alone, / Stretch her negligent length on the Drama's gay throne; / Where Muses more honor'd by Wisdom should sit, / To adorn the heart's mirror, and fashion our wit"

— Williams, John [pseud. Anthony Pasquin] (1754-1818)

Date: w. 1746, 1797

"His youthful breast, by years mature refin'd, / May shine the mirror of thy blameless mind."

— Mason, William (1725-1797)

Date: 1815

The wavering motions of the mind are like "quivering light" reflected off a confined "crystal flood" in a brass cistern

— Cowper, William (1731-1800)