Rhyme thrives at both poles of literature. It is the material of a greeting card—“Roses are red / Violets are blue / Sugar is sweet / And so are you”—and the high-tragic language of Racine. Rhyme ...

For Jeremy Bentham, a philosopher, poetry was simply writing that “fails” to reach the end of the line. For W.H. Auden, a poet, poetry was that which “makes nothing happen”. Arnold Bennett, a writer, ...