Literature Reference: 行地无疆费传驿。—— 《和李校书新题乐府十二首 驯犀》 Traveling the boundless earth, the cost of relay stations is high. Source from 'He Li Xiaoshu Xinti Yuefu Shier Shou Xunxi'.
行: Proficient in a certain matter, it generally signifies smooth progress in all affairs, with the character "Zhi" carrying auspicious connotations.
地: Land, the foundation of heaven and earth. To rise above the crowd, flourish in one's career, and attain a respected status in society, earning the esteem of others.
Meaning: Walking the earth symbolizes the boundless expanse of the world and the spirit of endless exploration.