持之有故,言之成理
One's reasoning is well-grounded and reasonable
以上为机器翻译结果，长、整句建议使用 人工翻译 。
同时大量地运用古史、故事、古语来论说事理，既言之成理，又持之有故，令人信服。
Simultaneously the massive utilization ancient history, the story, the archaism comes the dissertation affair, both sounds reasonable, and holds the effectiveness, persuasive.
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