The “white hair old man closing eyes" in the "Picture of Inner Scripture" has the meaning of nourishing and refining the spirit.
“Closing eyes” is on behalf of closing the eyes in the traditional health practices, which is conductive to meditation and mind concentration. There are a variety of specific ways. Some people close their eyes in the percent of seventy. While some people think that upper eyelid slightly lowered to the extent that a glimmer of white light can be seen, but nothing can be seen clearly. And others think that “closing eyes” is flexible and it depends on the specific circumstances.
Modern medicine has proved that “opening the eyes” can consume a quarter of the ability of human body. So closing the eyes can nourish the spirit. We often feel weak or dizzy after we work for a long time because of exhaustion. If people close the eyes and rest for a few minutes, and then open the eyes, people will immediately refresh. the rest method that almost everybody can do is called "closing eyes ".
The study showed that refreshing the spirit by closing eyes is very helpful to the intellectual workers, especially the people using eyes for a long term. This habit is conductive to the quality of sleep and prevent the nightmares. So refreshing the spirit by closing eyes is the most effective method to relieve fatigue and restore physical power.
The requirement of eyes in the exercises methods of Health Qigong is this method of " closing eyes" .
The important role of “tongue touching the palate” - blue-eyed monk rising the hands
The “tongue touching the palate” has mentioned many times in the exercises methods of Health Qigong. What is its role?
The “blue-eyed monk rising the hands” in the "Picture of Inner Scripture" refers the meaning of “getting on the magpie bridge" and "returning the virtual and getting the essence of Tao”.
The “blue-eyed monk rising the hands” is on behalf of the “getting on the magpie bridge" in the traditional health practices. “Tongue touching the palate” at the time of leading the essence and qi by mind through the three passes of Du Channel is called “ascending magpie bridge”. Withdrawing the tongue and swallowing fluid, as well as the tongue leaving the palate at the time of leading the essence and qi by mind down through the Ren Channel into the pubic region is called “descending magpie bridge”. The fluids in the mouth was took as health treasure by the traditional health practicers. So they would swallow the fluids slowly rather than spiting them in the practice. For example, the beginning of Dao Yin Yang Sheng Shi Er Fa said that “breathing slowly to make the magpie bridge..... "
（By Ou Liangshu）