Not Knowing Is Most Intimate (MK62)(BS20)

KOAN:

Dizang asked Fayan, “Where are you going from here?”
Fayan said, “I’m on pilgrimage.”
“What sort of thing is pilgrimage?”
“I don’t know.”
“Not knowing is most intimate.”
Fayan suddenly had a great awakening.

—Pacific Zen Miscellaneous Koans, Case 62 & Book of Serenity, Case 20