上（唐宪宗）顾谓宰臣曰：“朕读《玄宗实录》,见开元初锐意求理,至十六年已后,稍似懈倦,开元末又不及中年,何也?”崔群对曰

Li He (790 - 816), Naga Yoshi, Tang Dezong Zhenyuan six years was born
in Fu
Chang Chang
County Valley (now
Yiyang three Xiang). Tang Xianzong yuan and eleven years died of Chang Gu house, only 27 years old. Li He was born in a rundown noble
family, ancestor
of Tang
Gaozu Li Yuan's
uncle Li
Liang (Da Zheng Wang). Because it is not direct, coupled with the Wu Zetian
administration slaughter emperor descendants, to Li He's
father, Li
Jinsu, had The family is
in straitened circumstances., middle to Chang
valley. Li He was a thin, Tong Mei long claw, looks extremely rich characteristic. He is talented, 7 years old can write poetry. When Li He
was about 18 years old, he is already
famous, and the first to be influential
officials Han
Yu, Huangfu is found at the time. Originally, by
virtue of Li He's talent early, can obtain fame, for family honor, but this time Li He's father died. At that time, be
sure to three years of full period of mourning is limited, so until the yuan and five years (810 years), Han Yu had
advised Li
He to
pass examination. But because of envy Li He can people released
rumors, leading to Li He not to take the
exam. This huge blow to Li He, he wrote
many poems to express
their anger. Probably because Li He is Tang clan descendants, and Han Yu constantly introduced, yuan and six years (811 years) in May, Li He returned to Changan, made a nine small Guan Feng Li Lang. Since then, the "prison in Changan" for 3 years, although the mood "look haggard dogs", but the growth of the life experience, expand the areas of knowledge, won in the poetry creation the harvest. Because the transfer without hope without a single success, fame, sorrow and anger mood increasingly. With his wife's condition continues to
deepen, Li He profoundly melancholy, yuan and eight years (813 years) spring will be back Changgu disease for a period of time. But he was unwilling to sink, and the southern tour, in the hope that the South Chu and Wu Yue to show their talents. Yuan and nine years (814 years), he resolutely resigned from this position to Feng Li Lang, Chang Gu "to lie". Yuan and eleven years (816 years), because the North Dynasty domineering, separatist forces rampant, Chi Shimei for the idle, tell patients to Luoyang to rest, friends Zhang Che also get back to Changan. Li He had no way out, had to hold back the rot, Chang Gu house, finishing the poetry, soon died because of disease.