On Michelangelo and Raphael
p14–15“It is one of those forms which Byron described as the light within the alabaster vase, The tale he tells is that of sorrow, sorrow how divine!”
Fuller, Margaret. "On Michelangelo and Raphael." Houghton Library, Harvard University.
Inferred Fuller writes 'It is one of those forms which Byron described as the light within the alabaster vase' — a paraphrase rather than verbatim quotation.