text: In a poem by this writer, the refrain "Children dear, was it yesterday?
full_question: In a poem by this writer, the refrain "Children dear, was it yesterday?" is repeated by the speaker, who calls, "Margaret! Margaret!" This poet wrote about a man who, "tired of knocking at preferment's door, roamed the world with that wild brotherhood," and lamented "this strange disease of modern life" in a poem inspired by a tale from Joseph Glanvill's The Vanity of Dogmatizing. This author of "The Forsaken Merman" coined the modern usage of the word "Philistine" in his major work of criticism. The speaker of another of his poems notes that "Sophocles long ago heard it on the Aegean" before exclaiming, "Ah, love, let us be true to one another!" For 10 points, name this author of "The Scholar Gipsy," Culture and Anarchy, and "Dover Beach."
first_sentence: In a poem by this writer, the refrain "Children dear, was it yesterday?
raw_answer: Matthew Arnold