[301] Conférence de Bruxelles, art. 13 sq. Instructions for the Government of Armies of the United States in the Field, art. 101, 114, 117. Manual of the Laws of War on Land, prepared by the Institute of International Law, (art. 8 (d). Hall, Treatise on International Law, p. 537 sq.
[302] Hall, op. cit. p. 538 sq. Bluntschli, Droit international, § 565, p. 328 sq.
[303] Bluntschli, op. cit. § 565, p. 329.
[304] Hall, op. cit. p. 539.
[305] Heffter, Das Europäische Völkerrecht der Gegenwart, § 125, p. 262.
[306] Machiavelli, Discorsi, iii. 40 (Opere, iii. 164).
[307] Bynkershoek, Quæstiones juris publici, i. 1, p. 4. The maxim of Canon Law, “Fides servanda hosti” (Gratian, Decretum, ii. 23. i. 3), however, was greatly impaired by the principle, “Juramentum contra utilitatem ecclesiasticam praestitum non tenet” (Gregory IX. Decretales, ii. 24, 27. See Nys, Le droit de la guerre et les précurseurs de Grotius, p. 126 sq.).
CHAPTER XXXI
THE REGARD FOR TRUTH AND GOOD FAITH (concluded)
THE condemnation of untruthfulness and bad faith springs from a variety of sources. In the first place, he who tells a lie, or who breaks a promise, generally commits an injury against another person. His act consequently calls forth sympathetic resentment, and becomes an object of moral censure.