Bruno Leoni (1913–1967), an Italian classical-liberal political philosopher and attorney, was a professor at the University of Pavia, president of the Mont Pèlerin Society, and author of Freedom and the Law, expanded 3d ed. (Indianapolis: Liberty Fund, 1991 [1961]). This paper was originally published in English, under the same title in Il Politico 31, no. 3 (1966), pp. 535–38, and has been only lightly edited for publication here. Carlo Lottieri, editor of the recently published Bruno Leoni book Law, Liberty, and the Competitive Market, Gian Turci & Anne MacDiarmid, trans. (New Brunswick and London: Transaction Publishers, 2009), assisted with providing this piece and obtaining necessary permissions.]