Literature Reference: Stones from other hills can be used to polish jade. Source from 'The Book of Songs, Minor Odes, The Cry of the Crane.'
攻: To attack and conquer.
玉: Jade, often referred to as precious jade, in names typically signifies something rare and beautiful, believed to enhance both wealth and interpersonal relationships.
Meaning: Polishing jade with stones from other hills symbolizes wisdom and self-improvement.