Haha, "The road is long and long, I will search up and down." This sentence comes from Qu Yuan's famous work "Li Sao", which is the most suitable to describe him

We should be very familiar with it. . It means: In the pursuit of truth (true knowledge), the road ahead is still long, but I will persevere and spare no effort (in heaven and on earth) to pursue and explore. I think the word "repair" here should be interpreted as: (the road is) long. Judging from the text, "xiuyuan" should be a parallel word, corresponding to "quest" in the next sentence.

"Li Sao" is Qu Yuan's masterpiece. Qu Yuan was sick of the fact that King Huai of Chu did not listen to it wisely, that the frame-up obscured the light, that the evil music harmed the public, and that the uprightness was not tolerated, so he wrote "Li Sao" in sorrow and meditation. "Li Sao" is a magnificent political lyric poem, which has a lofty status in the history of Chinese literature. It was written when Qu Yuan was exiled to the south of the Yangtze River. It is an expression of sorrow and anger by the poet full of patriotic passion.