《旧唐书·列传·卷一百一十八》
事关宗庙，史书皆有记载，随意违背典章的事，不可轻率为之。
事关宗庙，皆书史策，苟非旧典，不可率然。
The matter of the ancestral temple is recorded in history books; acts that go against the rules should not be done lightly.
<s>[INST] Translate the following passage from Classical Chinese to both modern Chinese and English, focusing on preserving the emotional tone in both translations: 事关宗庙，皆书史策，苟非旧典，不可率然。 [/INST] Modern Chinese: 事关宗庙，史书皆有记载，随意违背典章的事，不可轻率为之。 English: The matter of the ancestral temple is recorded in history books; acts that go against the rules should not be done lightly.</s>
Translate the following passage from Classical Chinese to both modern Chinese and English, focusing on preserving the emotional tone in both translations: 事关宗庙，皆书史策，苟非旧典，不可率然。
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Modern Chinese: 事关宗庙，史书皆有记载，随意违背典章的事，不可轻率为之。 English: The matter of the ancestral temple is recorded in history books; acts that go against the rules should not be done lightly.
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