Literature Reference: 彭聃安在哉?周孔亦已沈。——《觉衰》柳宗元 Where are Peng Zu and Laozi now? Even Confucius and Duke Zhou have long since passed. From 'Jue Shuai' by Liu Zongyuan.
彭: Surname. It represents grand aspirations. In personal names, it symbolizes vitality, grandeur, ambition, and boundless energy.
聃: Ears long and large: ears as broad as the shoulders.
Meaning: Peng Dan refers to Peng Zu and Laozi, symbolizing longevity and wisdom.