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.
马: Horses. In personal names, it symbolizes swift success and invincible prowess in all endeavors.
Meaning: The name 'Sima' flows smoothly with a concise and elegant tone, symbolizing inclusiveness and openness, suitable for an international context.