Literature Reference: 今古虽殊同一法,瞿昙抛却转轮王。—— 《赠僧五首 宗实上人》 Though ancient and modern times differ, they share the same dharma; the Buddha cast aside the wheel-turning king. Source from 'Zeng Seng Wu Shou: Zongshi Shangren'.
同: Identical; the same.
一: To signify the beginning, to embody the entirety, and to represent the pinnacle of excellence and perfection.
Meaning: Unity signifies the harmony of all things, reflecting the non-discriminatory mind in Buddhist teachings.