Robert Green Ingersoll (1898). “Lectures of Col. R.G. Ingersoll: Including His Letters on the Chinese God--Is Suicide a Sin?--The Right to One's Life--etc. Etc. Etc”
William Shakespeare (1842). “The Comedies, Histories, Tragedies, and Poems of William Shakspere: Merry wives of Windsor. Twelfth night. As you like it. Measure for measure”, p.383
Quoted in Nicholas Slonimsky, Lexicon of Musical Invective: Critical Assaults on Composers Since Beethoven's Time (1953). Cassell's Humorous Quotations suggests that an earlier version of this jab appeared in a letter by the Fourth Earl of Sandwich in 1785, but no such anecdote is found in the book said to be the source.