People in the world cannot
identify their own mind.
They believe that what 
they see, or hear, or feel, 
or know, is mind.
They are blocked by the visual, 
the auditory, the tactile, and the mental,
so they cannot see the 
brilliant spirit of the their
Original Mind.

Huang Po (?-850), Huángbò Xīyùn was an influential Chinese master of Zen Buddhism during the Tang Dynasty.