Modern Koan: 4th Movement

Regarding seeing, hearing and feeling:

1.   Ask "Who is seeing?"

   Ask "Who is hearing?"

   Ask "Who is feeling?"

2.   Each time answers come, ask "Who is it?"

3.   When there is no more answer, ask again:

      "Who is seeing?"

    "Who is hearing?"

    "Who is feeling?"

4.   Repeat 2 〜 3