What are the famous ancient poems about "harmony"?

"Small Pond" by Yang Wanli of the Song Dynasty

The spring silently cherishes the trickle, and the shade of the tree shines on the water, loving the clearness and softness.

The little lotus has just revealed its sharp corners, and a dragonfly has already stood on it.

"An Appointment" by Zhao Shixiu of the Song Dynasty

It rains every house during the yellow plum season, and frogs are everywhere in the grassy ponds.

I didn’t come over at midnight because I had an appointment, so I knocked on the chess pieces and let the lanterns fall.

"Spring Journey to Qiantang Lake" by Bai Juyi of the Tang Dynasty

To the west of Jia Pavilion in the north of Gushan Temple, the water surface is initially flat and the clouds are low.

Early orioles are vying for warmth in several places, and new swallows are pecking at the spring mud.

The wild flowers are becoming more and more charming, and only in Asakusa can there be no horse hooves.

My favorite lake is the east side of the lake, with its green poplar shade and white sand embankment.

"Xijiang Moon" by Xin Qiji of the Song Dynasty

The bright moon scares the magpies on the branches, and the breeze sings the cicadas in the middle of the night.

The fragrance of rice flowers means a good harvest. Listen to the sound of frogs.

Seven or eight stars are outside the sky, and two or three points of rain are in front of the mountain.

Beside the forest of Maodian Society in the old days. The road turns to the creek and the bridge suddenly appears.

"Drinking" by Tao Yuanming of Jin Dynasty

The house is in a human environment, without the noise of cars and horses.

How can you do this? The mind is far away from itself.

Picking chrysanthemums under the eastern fence, you can leisurely see Nanshan Mountain.

The mountain air is getting better day by day, and the birds are flying back and forth.

There is a true meaning in this, but I have forgotten to explain it.