Crossing the Brook (MK23)

KOAN:

a. Slowly I cross a brook and extinguish its sound.

b. My lazy gaze follows the tracks of the flying birds.
(Freely I follow the tracks of the flying birds.)

—PZI Miscellaneous Koans, Case 23 (Xuedou’s capping phrases to Yunmen’s Good Day, Case 6 in the Blue Cliff Record)