Open Kua Video in Chinese

http://v.youku.com/v_show/id_XNzQxMjI5NTI0.html

Notes:

1. 当你真正的懂的时候，你可以用不同的方法说同样的东西，也即是做到万变不离其中。When you really understand it, you can express the same thing in many different ways.
2. To open kua, you can need to fix your knee, like in fetch water.  Is that the only way to open kua? No, but it is an important way.