"The meditation is difficult, because it makes you deal with your karma. What comes up is the Wu Min, all your past failings, which you try to work through, systematically over time. It is not an easy task to remember all those painful things throughout your life that you have shut away. The meditation stirs up Wu Min and you need to move to release the stress and tension. You allow those movements to happen rather than trying to suppress them, unlike in traditional meditation."