Sitting in oblivion and mind tranquility are both basically forms of realization that break psychological obstructions and get rid of inhibitions. But if one were to develop a methodology to teach people how to sit in oblivion and how to attain mind tranquility, this would be self-therapy transforming itself into therapy for others.
坐忘與心齋本身是一種破除心理障礙、除去困厄的頓悟，但如果能發展出一種方法，教人如何坐忘，教人如何心齋，這就是由自療走向他療。