Literature Reference: 绿鬓绝新知，苍须稀旧老。—— 《过梅里七首 家于无锡四十载今敝庐数堵犹存今列题于后 忆东郭居》 Green hair loses new friends, while grey beards become rare among the old.
苍: Indigo blue, deep green.
须: "Bide," when used in a given name, symbolizes exceptional ability and the realization of one's goals, embodying the virtue of achieving what is deemed necessary and right.
Meaning: Grey beard symbolizes the accumulation of time and wisdom, expressing a sentiment towards the passage of time and the value of life experience.