Yihe, Yi (乙) means 'Yin Wood', He (和) means 'with Balance' and 'in Harmony'. This speaks the philosophy and principle which Master Ryan hopes to achieve in his sharing and consultation with his seekers and guests.

Yin Wood is regarded as the most sensitive element among the Yin-Yang 5 Elements comprising of Yang Wood, Yin Wood, Yang Fire, Yin Fire, Yang Earth, Yin Earth, Yang Metal, Yin Metal, Yang Water and Yin Water.

Yin Wood has a destined spiritual will in nature, the bridge to link all natures, from Heaven and Earth. A classic example of Yin Wood is the Lotus, which is rooted on Earth, befriends Metal and can bridge Water and Fire.