历史学家的首要职责是如实讲述他所见的真相，无论这会取悦还是触怒何人。
The construction of green mines is not only an environmental requirement but also a reflection of corporate competitiveness.
译文：事情做不好要在自己身上找原因，不要埋怨他人和下属。赏析：事情失败时不要懈怠，多从自身找原因，善于从失败中汲取教训。