Go boldly forth, my simple lay,
Whose accents flow with artless ease,
Like orient pearls at random strung.
Source, in full
"A Persian Song of Hafiz", in Grammar (1771) p. 140 and Poems (1772) p. 75. Reported in Bartlett's Familiar Quotations, 10th ed. (1919). Compare: "'Twas he that ranged the words at random flung, / Pierced the fair pearls and them together strung", Eastwick: Anvari Suhaili (Translated from Firdousi)