《资治通鉴·唐纪·唐纪七十六》
李克用听到后，叹息道： 上年皇上若是听从了我的话，怎么会有今天的祸患！ 
李克用闻之，叹曰： 去岁从余言，岂有今日之患！ 
When he heard this, Li Kegong sighed: "If the emperor had listened to me last year, how could he have fallen into this predicament today!"
<s>[INST] Kindly elucidate the central themes in this passage in English: 李克用闻之，叹曰： 去岁从余言，岂有今日之患！  [/INST] When he heard this, Li Kegong sighed: "If the emperor had listened to me last year, how could he have fallen into this predicament today!"</s>
Kindly elucidate the central themes in this passage in English: 李克用闻之，叹曰： 去岁从余言，岂有今日之患！
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When he heard this, Li Kegong sighed: "If the emperor had listened to me last year, how could he have fallen into this predicament today!"
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