Literature Reference: 虞舜孝感动天，后世传为美谈。——《史记·五帝本纪》 Emperor Shun's filial piety moved heaven, and his story has been passed down as a beautiful tale. Source from 'Records of the Grand Historian: Annals of the Five Emperors'.
虞: Anticipation and Omen.
孝: Filial piety and integrity refer to being a dutiful child and maintaining incorruptibility.
Meaning: Yu Xiao symbolizes filial piety and benevolence, representing respect and gratitude towards elders.