"The fire seven times tried this: / Seven times tried that judgement is, / That did never choose amiss. / Some there be that shadows kiss: / Such have but a shadow's bliss. / There be fools alive, I wis, / Silver'd o'er; and so was this. / I will ever be your head: / So be gone: you are sped."
c. 1596–1598 (date written), William Shakespeare, “The Merchant of Venice”, in Mr. William Shakespeares Comedies, Histories, & Tragedies […] (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, [Act II, scene ix]