Literature Reference: 诗情书意两殷勤，来自天南瘴海滨。初覩银钩还启齿，细吟琼什欲霑巾。——《得潮州杨相公继之书幷诗以此寄之》白居易 Poetic sentiments and literary meanings, conveyed with earnestness, come from the miasmic shores of the far south. Upon first glimpsing the silver hook, I opened my mouth; as I carefully recited the 'Qiong Shi,' tears moistened my handkerchief. — From 'De Chaozhou Yang Xianggong Jizhi Shubing Shi Yi Ci Ji Zhi' by Bai Juyi.