《太平广记·卷四十一·神仙四十一》
开元末年，薛尊师当时已经一百多岁了。忽然告诉弟子说： 天帝召我去做八威观主。 
开元末，时已百余岁，忽告门人曰： 天帝召我为八威观主。 
At the end of Kaiyuan, Venerable Xue was already over 100 years old. He suddenly told his disciples: The Emperor of Heaven summoned me to be the abbot of Bawi Monastery. 
<s>[INST] Identify the key themes in this Classical Chinese text and explain them in English: 开元末，时已百余岁，忽告门人曰： 天帝召我为八威观主。  [/INST] At the end of Kaiyuan, Venerable Xue was already over 100 years old. He suddenly told his disciples: The Emperor of Heaven summoned me to be the abbot of Bawi Monastery. </s>
Identify the key themes in this Classical Chinese text and explain them in English: 开元末，时已百余岁，忽告门人曰： 天帝召我为八威观主。
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At the end of Kaiyuan, Venerable Xue was already over 100 years old. He suddenly told his disciples: The Emperor of Heaven summoned me to be the abbot of Bawi Monastery.
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