Literature Reference: A modest gentleman humbly cultivates himself. Source from 'Book of Changes: Modesty Hexagram'.
谦: Humble, modest, and gracious. Polite, with a deep understanding of etiquette.
牧: Herding, nomadic; in a name, it conveys a sense of leisurely freedom and a far-reaching, serene ambiance.
Meaning: Modestly cultivating oneself, like a shepherd carefully tending his flock.