The next sentence of "Green Grass by the River" is "Continuously longing for a long way".
From the Han Yuefu poem "Drinking Horses in the Great Wall Grottoes". Emperor Yang of the Sui Dynasty (569-618), also known as Yang Guang, was the second son of Emperor Wen of the Sui Dynasty Yang Jian and Queen Dugu Jialuo of the Wen Dynasty. He was a native of Hongnong Huayin (now Huayin City, Shaanxi Province) and the second emperor of the Sui Dynasty (604-618). Reigned in 618). In 600 AD, he was appointed crown prince. In 604, he officially ascended the throne. During his reign, he built the Grand Canal of the Sui Dynasty, built Luoyang (the eastern capital), moved the capital to Luoyang, and changed the prefecture to a county; he changed weights and measures to the ancient style; frequently launched wars, abused people's power, and indulged in extravagance, which led to large-scale peasant uprisings. In 618, Yu Wenhuaji launched a rebellion in Jiangdu, and Yang Guang was hanged by the rebels. Green grass by the river, continuous thinking about the distant road means that the spring grass by the river is green and stretches continuously into the distance. "Drinking Horses in the Great Wall Grottoes" is a Yuefu poem written by Yang Guang, Emperor Yang of the Sui Dynasty. This poem was written in 609 AD (the fifth year of Daye) when Emperor Yang of the Sui Dynasty visited Zhangye in Guangxi. The poem uses old Yuefu inscriptions to describe the campaign against Wu. By describing the vastness of the war, the neatness of the team, and the strength of the weapons, the strong self-confidence and determination of the soldiers who defeated Wu are vividly portrayed. The whole poem is impassioned, tragic and uplifting.