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Cicero
On Duties Passage 108
Passage 358 of 371
Canonical reference 3.108
Latin
perseus-cicero-de_officiis-lat
Non enim falsum iurare periurare est, sed, quod EX ANIMI TUI SENTENTIA iuraris, sicut verbis concipitur more nostro, id non facere periurium est. Scite enim Euripides: Iurávi lingua, méntem iniuratám gero. Regulus vero non debuit condiciones pactionesque bellicas et hostiles perturbare periurio. Cum iusto enim et legitimo hoste res gerebatur, adversus quem et totum ius fetiale et multa sunt iura communia. Quod ni ita esset, numquam claros viros senatus vinctos hostibus dedidisset.
English AI-generated translation, non-official
Codex gpt-5.6-sol · Non-official working translation · 2026-09-11
For swearing falsely is not in itself committing perjury. Perjury consists in failing to do what you swore IN ACCORDANCE WITH YOUR MIND'S INTENTION, as the words are formulated in our custom. Euripides puts it neatly: “My tongue has sworn; my mind remains unsworn.” Regulus, however, ought not to have disrupted the terms and agreements of war with the enemy through perjury. The matter concerned a just and lawful enemy, against whom the whole fetial law and many other laws are held in common. Were this not so, the senate would never have delivered eminent men in chains to the enemy.
French AI-generated translation, non-official
Codex gpt-5.6-sol · Non-official working translation · 2026-09-11
En effet, jurer quelque chose de faux n’est pas commettre un parjure; le parjure consiste à ne pas faire ce que l’on a juré «SELON L’INTENTION DE SON ESPRIT», suivant notre formule traditionnelle. Euripide le dit avec finesse: «Ma langue a juré, mon esprit demeure sans serment.» Régulus, lui, ne devait pas troubler par un parjure les conditions et les conventions de guerre conclues avec l’ennemi. Il traitait avec un ennemi régulier et légitime, à l’égard duquel s’appliquent tout le droit fécial et de nombreuses règles communes. S’il n’en était pas ainsi, jamais le Sénat n’aurait livré enchaînés à l’ennemi des hommes illustres.
Concepts in this passage
Civic duty
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Moral decorum
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Duty
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Moral rightness and utility
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Justice
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