Book excerpt: Arranged thematically--from Class and Character, Sex and Snobbery, to the Foreigner's Eye View--here is the definitive collection of the British nation's funniest quotations. Among the many great and good who dazzle us with their wit are Martin Amis, Jane Austen, Billy Connolly, Quentin Crisp, Roald Dahl, John Lennon, Queen Victoria, and Oscar Wilde.