Literature Reference: 素志久沦否，幽怀方自吟。 —— 《合源溪期张计不至》 Has my pure aspiration long been lost? Only my quiet heart sings to itself. Source from 'He Yuan Xi Qi Zhang Ji Bu Zhi'.
素:
Simplicity and refinement. When used in names, it often signifies pure character and superior qualities, which are conducive to earning others' affection and trust.
志: Ambition. In a name, it often signifies grand aspirations and the relentless pursuit of one's dreams.
Meaning: Su Zhi means a pure and lofty aspiration, reflecting inner perseverance and pursuit.