In this method the adept does not torture his consciousness to know the significance of the Dharma. The adequate formula for the contemplation does not depend upon comprehension, for only the knowledge of the operation of the senses is the base.
In daily life one must maintain the unity of one's intention and not listen with thoughts. Listen with the spirit of Shén. The function of sound is to be limited just to the sound itself and nothing more, the thoughts are limited to form the experience of word-images of ideas related to the Last Conceptualization.
This is not just a mindfulness, for it carries mindfulness one step further to a consciousness of the experiences of sensing.
Remember that Shén (the Mother Principle) is an emptiness that responds to all phenomena.
The Dharma resides in this Emptiness and is the "fasting" of thought, so all sensory phenomena are just experiences. Yet those experiences are observed, although that observing requires no observer except as a valid illusion.
When thought as the last conceptualization falls away in this contemplation only the "truth of sensing with observing happening without content" is all that is retained.
The Awareness of Sense Observing (without an Observer) becomes the ultimate conceptualization.
The last conceptualization then for this contemplation is Awareness of (Observing) Sense Awareness.