Literature Reference: Yao and Shun were the sage kings of ancient times. Source from 'Mencius·Gongsun Chou I'.
尧: Ancient emperor's name, symbolizing a person of both virtue and talent.
舜: Ancient name. Legendary emperor of ancient China. Known as Youyu Shi, historically referred to as Emperor Shun of Yu. Shun passed the throne to Yu the Great of Xia.
Meaning: Yao and Shun symbolize benevolence and wisdom as legendary sage kings of ancient China.