" 'I thank you, sir, I thank you,' her murmured, and placed George Herbert between Spenser and Piers Plowman on the shelf. 'You give me great wealth for the gift of a book is the gift of a human soul. Men put their souls in their books. When one man gives another a book then three souls are bound together in that most happy thing, a trinity. "
From The White Witch by Elizabeth Goudge.