, the artistic conception expressed by poetry couplets, and the functions of the words "emptiness" and "self"
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Du Fu was unsuccessful in his life. He lamented that he could not meet the wise master like Zhuge Liang, and he could not make contributions like Zhuge Liang. Therefore, he often expressed his concern for the country and the people and hoped to make contributions to the country by praising and regretting Zhuge Liang. Just as the Chinese saying in Tang Poetry Banknotes says, "The public hates the marquis of Wu, so they hate themselves."