Original text:

In the dim light, I spread out a green beach by the sea, and a golden full moon hung in the dark blue sky. I thought: I hope it doesn't matter, it doesn't matter. Just like the road on the ground; In fact, there is no road on the ground. If there are more people walking, it will become a road.

This means that if you have an ideal, you must rely on action to achieve it. Everything depends on people. As long as you work hard, your ideal will come true one day. The main meaning of this sentence is that concrete actions are very important, and you will have a way out if you dare to work hard. Otherwise, your ideal is fantasy and empty talk.