"Glass antique! 'twixt thee and Nell Draw we here a parallel! She, like thee, was forced to bear All reflections, foul or fair. Thou art deep and bright within, Depths as bright belong'd to Gwynne; Thou art very frail as well, Frail as flesh is,—so was Nell."
January 1, 1970
https://en.wikiquote.org/wiki/Comparisons