"pacta sunt servanda" meaning in English

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  "etymology_text": "Latin plural of pactum (“pact”) + sunt servanda (“must be kept”), after pacta et promissa semperne servanda sint (“whether agreements and promises should always be kept”) in Cicero, De Oficiis 3.92.",
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          "ref": "2004, FA Engelen, Interpretation of Tax Treaties under International Law, page 125:",
          "text": "In the law of treaties, the most important manifestation of the principle of good faith is undoubtedly the rule of pacta sunt servanda.",
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          "ref": "2015, Susan Pedersen, ‘At least we worried’, London Review of Books, volume 37, number 12:",
          "text": "Painstakingly negotiated agreements governed many aspects of international relations; the doctrine of pacta sunt servanda dictated that those agreements be obeyed.",
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        "Agreements must be kept."
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        "(law) Agreements must be kept."
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        {
          "word": "a promise is a promise"
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  "word": "pacta sunt servanda"
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  "etymology_text": "Latin plural of pactum (“pact”) + sunt servanda (“must be kept”), after pacta et promissa semperne servanda sint (“whether agreements and promises should always be kept”) in Cicero, De Oficiis 3.92.",
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        "Agreements must be kept."
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  "word": "pacta sunt servanda"
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