斯: This person, this moment. It conveys a sense of refinement, the awe-inspiring dignity of a sage, and the dedication of one who lives and breathes their principles morning and night.
瑶: In names, it often symbolizes beauty, preciousness, brightness, and purity, conducive to prosperous fortune and a splendid life.
Meaning: Si Yao signifies elegance and preciousness, as pure as fine jade.