CSDC 436

To bring about and consolidate an international order that effectively guarantees peaceful mutual relations among peoples, the same moral law that governs the life of men must also regulate relations among States: “a moral law the observance of which should be inculcated and promoted by the public opinion of all the nations and of all the States with such a unanimity of voice and force that no one would dare to call it into question or to attenuate its binding force”.⁸⁹⁴ Pius XII, Christmas Radio Message (24 December 1941): AAS 34AAS — Acta Apostolicae Sedis (official gazette of the Holy See)Volume 34 (1942) at vatican.va — scanned PDF (1942), 16. The universal moral law, written on the human heart, must be considered effective and indelible as the living expression of the shared conscience of humanity, a “grammar”⁸⁹⁵ John Paul II, Address to the Fiftieth General Assembly of the United Nations (5 October 1995), 3: L'Osservatore Romano, English edition, 11 October 1995, p. 8. on which to build the future of the world.