The popular interpretation of "there is no road in the world, so many people will become the road" is:

Anything may encounter difficulties, and you may not see the road ahead, and you don't know what to do, so you have to be the first person who dares to eat crabs. As long as you persist, there will always be ways. When you persist in success, everyone will look to you and turn to you.

This is Lu Xun's hesitation about the dark society and his yearning for a new and beautiful society that he doesn't know what it is. He uses walking as a metaphor to describe that although he doesn't know how to realize an ideal society (there was no typical model of a new society at that time), as long as everyone works hard to explore and explore, it will certainly be realized.

Extended information:

Lu Xun (September 25, 1881-October 19, 1936), whose original name was Zhou Zhangshou, was later renamed Zhou Shuren, whose word was Yushan, and later changed to Yucai. "Lu Xun" was the pseudonym he used when he published Diary of a Madman in 1918, and it was also his most influential. A famous writer and thinker, an important participant in the May 4th New Culture Movement and the founder of modern literature in China. Mao Zedong once commented: "Lu Xun's direction is the direction of the new culture of the Chinese nation." ?

Lu Xun has made great contributions in many fields such as literary creation, literary criticism, ideological research, literary history research, translation, introduction of art theory, introduction of basic science and collation and research of ancient books. He has a great influence on the development of China's social ideology and culture after the May 4th Movement, and is well-known in the world literary circles, especially in the fields of Korean and Japanese ideology and culture. He is known as "the writer who occupied the largest territory on the cultural map of East Asia in the 2th century"

References: Lu Xun-Baidu Encyclopedia.