What is the next sentence and author of the Yellow River flowing in ancient times and now cultivated land?

Sadulla is crossing the ancient Yellow River levee.

The Yellow River has flowed since ancient times, and now it is cultivated land.

All roads are flexible, and the sea turns to dust.

About the author:

Sadulla (about 1272— 1355) was a poet, painter and calligrapher in the Yuan Dynasty. Word field,no. Zhizhai. Hui (Mongolian). Born in Yanmen (now Daixian County, Shanxi Province), he was a scholar for four years. In order to impeach dignitaries, he gave Hanlin a manuscript, moved to Dalu Huachi, Zhenjiang, and moved to Jiangnan as a suggestion. He moved to Huaixi Road and lived in Hangzhou in his later years. Sadoul is good at painting, with fine calligraphy and excellent letter opening. People who jump from tiger to Wolong are called Yanmen talents. His literary creation is mainly poetry, the content of which is mostly traveling, retiring, worshiping immortals and rewarding, and his ideological value is low. Sadulla also left some paintings, such as "The Fishing Terrace of Yanling" and "The Map of Plum Birds", which are now in the Palace Museum in Beijing.