《明史·志·卷二十四》
文宗至顺以后，只祭祀昊天上帝。
文宗至顺以后，惟祀昊天上帝。
After Emperor Wenzong of the Shun era, only the Emperor of Haohan was sacrificed to. 
<s>[INST] Kindly elucidate the central themes in this passage in English: 文宗至顺以后，惟祀昊天上帝。 [/INST] After Emperor Wenzong of the Shun era, only the Emperor of Haohan was sacrificed to. </s>
Kindly elucidate the central themes in this passage in English: 文宗至顺以后，惟祀昊天上帝。
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After Emperor Wenzong of the Shun era, only the Emperor of Haohan was sacrificed to.
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