Literature Reference: 但觉虚空无障碍，不知高下几由旬。—— 《春日题乾元寺上方最高峰亭》 Feeling no barriers in the vast emptiness, unaware of the height or depth in a few yojanas. Source from 'Spring Day at the Highest Peak Pavilion of Qian Yuan Temple'.
高: Elevated and towering, often used in names to depict individuals of noble stature, great accomplishments, and extraordinary lives.
下: "The phrase '在下' carries profound significance, symbolizing the potential to achieve great deeds and grand accomplishments, and harboring the auspicious fortune for monumental success."
Meaning: High and low signify the height and depth of things, also symbolizing the ups and downs of life.