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A preface is like a porter at the entrance of a castle or a dinner-party; however necessary his attendance may be, and however dazzling his livery, he can expect but a hasty brush from the passers in it is the castle they want to see, it is the dinner they have come to eat. Knowing, however, that every public act demands a pub lic explanation, I give my candid reasons for doing so strange a work, and for doing it in so strange a way. We have had many Pencillings by the Way, and Conciliation Halls, and Killarney Lakes from the t0ps of coaches and from smoking dinner tables. But one day's walk on mountain or bog, one night's lodging where the pig, and the ass, and horned oxen feed.
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