Chinese sun and moon mirrors water. (Laufer 1915: 221-222). Owing to the similarities of Chinese "yangsui" and "fangzhu" mirrors with Indian "sūryakānta" and "candrakānta" stones, Tang (1935) proposes a trans-cultural diffusion from China to the Mughal Empire. Chinese sun and moon mirrors The yángsuì 陽燧 or sun-mirror was an ancient Chinese burning-mirror that concentrates sunlight to ignite tinder and the fāngzhū 方諸 or moon-mirror was a device that collects nighttime dew by condensation. These two bronze implements are literary metaphors for yin and yang, associating the ""yang"-mirror" "yangsui" with the sun (a.k.a. "tàiyáng" 太陽 "great "yang""), fire, dry, and round, and the ""yin"-mirror" "fangshu" with
School of Naturalists and Qi. In later periods, these epistemological theories came to hold significance in both philosophy and popular belief. This school was absorbed into the alchemic and magical dimensions of Taoism as well as into the Chinese medical framework. The earliest surviving recordings of this are in the Ma Wang Dui texts and Huang Di Nei Jing. Zou Yan (; 305240 BC) was an ancient Chinese philosopher best known as the representative thinker of the Yin and Yang School (or School of Naturalists) during the Hundred Schools of Thought era in Chinese philosophy. Zou Yan was a noted scholar of the