During the Zhenguan period of the Tang Dynasty, Mian Bogao, as the uncle of the Tusi King in Yunnan, Myanmar, served as the diplomatic envoy in the Tang Dynasty, and made a successful trip to the Tang Dynasty according to circumstances, leaving a famous sentence of "courtesy is light and affection is heavy, goose feathers are sent thousands of miles away".

Emperor Taizong received goose feathers from Mian Bogao and Mian Bogao. Emperor Taizong read Mian Bogao's poems and listened to Mian Bogao's complaints. Instead of blaming Mian Bogao, he felt that he was loyal and honest, so he rewarded him heavily.

Enlightenment of sending goose feathers thousands of miles away

If we can fully practice mutual respect and trust in all walks of life and even the whole people. Society will take a big step forward. Under the prosperous Tang dynasty, there was a beautiful talk of sending goose feathers thousands of miles away.

Mian Bogao, a swan worshiper sent by local officials in Yunnan, did not choose to return after the swan flew away. He believed that the emperor of the Tang Dynasty valued affection more than ceremony, and the Emperor of Heaven also fully trusted the petty officials. He was convinced of Yunnan and still praised him.