祖: The founder of a career or school of thought, the ancestral lineage, or the motherland. In a name, it often conveys the meaning of a bright future, bringing honor to one's ancestors, and is beneficial for career advancement and academic pursuits.

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.