What are the poems praising "brothers are so good"?

When I met the post envoy, I folded flowers and sent them to the Longtou people. Jiangnan has nothing, just give me a spring branch. ——Lu Kai of the Southern Dynasty (Song Dynasty)?

The singer does not hesitate to suffer, but the knowledge of the singer is rare. May I be a pair of swans and fly high. ——"Nineteen Ancient Poems" No. 5?

The road to Yuguan is far away, and there are few messengers in Jinling. I shed a thousand lines of tears alone and opened a book for you thousands of miles away. ——Northern Zhou Dynasty·Yu Xin

Knowing that your destiny is not coincidental, you have the same illness and the same worries. ——Meng Haoran of the Tang Dynasty ?

Young people enjoy new knowledge, but in their old age they miss their old friends. ——Han Yu of the Tang Dynasty

After the floating clouds parted, the flowing water lasted for ten years. The laughter and love are as old as before, and the hair on the temples has become stained. ——Wei Yingwu of the Tang Dynasty ?

See autumn grass at sunset, and meet old friends in your old age. ——Li Duan of the Tang Dynasty ?

Li Bai was about to travel in a boat when he suddenly heard singing on the shore. The water in Peach Blossom Pond is a thousand feet deep, and it is not as deep as Wang Lun's love for me. ——Li Bai of the Tang Dynasty

Autumn is approaching late in the journey, and friendships grow older and closer. ——Du Fu of the Tang Dynasty ?

I send my sorrowful heart to the bright moon and follow you until the end of the night. ——Li Bai, Tang Dynasty

——Tang Qianqi?