The epigraph by George Eliot is from her novel Adam Bede, Oxford: Oxford University Press, 2008.
The epigraph by Anna Robertson Brown is from the published version of her lecture What Is Worth While? New York: Thomas Y. Crowell and Company, 1893.
The epigraph by T.S. Eliot is from Four Quartets in his Collected Poems 1909–1962, London: Faber and Faber, 1963.