Introduction : Massimo Cacciari's genealogy of Europe / Alessandro Carrera -- PART I. THINKING EUROPE. Thinking Europe -- Europeanism -- Two German speeches : the "second thought", the language of Europe -- Europe or philosophy -- Europe or Christianity -- PART II. THE IDEA OF EMPIRE. What is empire? -- The myth of the growing city -- Digressions on empire and the three Romes -- More on the idea of empire -- Empire and Katechon : a question of political theology (from Paul, 2 Thessalonians 2) -- ADDENDA. The Europe of María Zambrano -- We cannot call ourselves only Judeo-Christians, a conversation with Jacques Le Goff.