"It means that (in the case of "side wisdom"), the "wisdom eye" and the "physical eye" grow together, not only can they see through the five elements, but also can see through yin and yang, life and death. Normal people need fifty years of practice to acquire this ability, but (for the Fire Eye it is) it is innate. People with this ability have been rare since ancient times, and it is more powerful than the stars." Yin-Yang eyes are Yin-Yang eyes, and side wisdom is side wisdom! … Continue readingChapter 22: Theory Of Yin And Yang And The Five Elements