Schmitt 2005, p. 24. Schmitt is quoting from Krabbe 1919, p. 39. Schmitt, Carl (2005) [Originally published in 1922, revised edition in 1934]. Political Theology. Four Chapters on the Concept of Sovereignty. Translated by Schwab, George. Chicago and London: University of Chicago Press. ISBN978-0-226-73889-5. Krabbe, Hugo (1919). Die moderne Staatsidee (in German) (2 ed.). Haag: Martinus Nijhoff.