"A person walks my way and carries your sword to cross the world" is a common poem or archaic lyric, which means that a person walks alone on the road of his own choice with his sword on his back, and goes far without fear of difficulties and obstacles.
This sentence expresses an independent, free and firm mentality and emphasizes the importance of individual's independent choice and action. At the same time, it also expresses the yearning and pursuit of pursuing freedom and exploring the unknown world. The whole sentence gives people a feeling of being chic and bold, and is often used to describe the ideal of a beautiful life and the spirit of pursuing freedom.