凡打坐者，非言形体端然、瞑目合眼，此是假打坐也。真坐者，须要十二时辰，行住坐卧，一切动静中间，心如泰山，不动不摇，把断四门眼、耳、口、鼻，不令外景入内。但有丝毫动静思念，即不名静坐。能如此者，虽身处于尘世，名已列于仙位。不须远参他人，便是身内贤圣。百年功满，脱壳登真。一粒丹成，神游八表。
Normally when people meditate, they will close their eyes and darken their vision. This is fake meditation!
Real meditation requires that for all twelve times of the day (Ed: Classical Chinese hours are two hours by modern standards), walking, standing, sitting, or lying down, in the centre of all movement and stillness, the mind is like Tai mountain, it doesn’t move and it doesn’t shake. Break the four gates of the eyes, ears, mouth, and nose (this doesn’t mean to physically break, but instead to disengage from and ignore the sensory organs), and don’t allow any outside images to enter in. If you even have a little thread of thought of movement or silence, this already isn’t called “quiet sitting.” If you can achieve this, even though your body is trapped in the red dust, your name will be recorded among the immortals. You don’t need to go looking far for him, your body will have already become an expert sage inside. After one hundred years of work is done, cast off the shell and ascend to the real. When the engraving of one elixir is achieved, the spirit will travel on the eight distances. – Wang Chongyang