The mutability of the past is the central tenet of Ingsoc.

窜改过去是英社的中心原则。

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Doublethink lies at the very heart of Ingsoc, since the essential act of the Party is to use conscious deception while retaining the firmness of purpose that goes with complete honesty.

双重思想是英社的核心思想，因为党的根本目的就是既要利用自觉欺骗，而同时又保持安全诚实的目标坚定性。

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