'Throughout the autumn and winter evenings [of 1854] he [Alfred Tennyson] translated aloud to my mother the sixth Aeneid of Virgil and Homer's description of Hades, and they read Dante's Inferno together. Whewell's Plurality of Worlds he also carefully studied. "It is to me anything," he writes, "but a satisfactory book. It is inconceivable that the whole Universe was created merely for us who live in this third-rate planet of a third-rate sun."'