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.
唯: "Only, unique. In a name, it often signifies uniqueness, hope, and being one of a kind, which is beneficial for attracting noble assistance."
Meaning: Si Wei, with its harmonious tones, exudes a unique elegance and tranquility.