Literature Reference: 许七侍御弃官东归潇洒江南颇闻自适高秋企望题诗寄赠十韵。—— 杜牧 Xu Qi, the imperial censor, resigned and returned east, living a carefree life in Jiangnan, composing poems in the late autumn. Source from Du Mu.
许: "Consent and approval. A character that signifies the ease of achieving great endeavors and is auspicious for future matrimony."
七: The number seven, the Big Dipper.
Meaning: Xu Qi symbolizes a carefree and detached lifestyle, embodying a sense of leisure and freedom.