Literature Reference: 礼者，履也；孝者，善事父母也。—— 《论语》 Ritual means to practice; filial piety means to serve one's parents well. Source from 'The Analects of Confucius'.
礼: Politeness, etiquette, and understanding of decorum. When used in personal names, it often conveys the meaning of courtesy, which is conducive to receiving assistance from noble benefactors.
孝: Filial piety and integrity refer to being a dutiful child and maintaining incorruptibility.
Meaning: Ritual and filial piety signify respect for traditions and devotion to one's parents, embodying traditional virtues.