Sometimes, looking at the many books I have at home, I feel I shall die before I come to the end of them, yet I cannot resist the temptation of buying new books. Whenever I walk into a bookstore and find a book on one of my hobbies — for example, Old English or Old Norse poetry — I say to myself, What a pity I can't buy that book, for I already have a copy at home.

This Craft of Verse (ed. Harvard University Press, 2002) - ISBN: 9780674008205