If you know then you know

The Reading:

Shoyoroku - Case 100: Roya's "Mountains and Rivers"

A monk asked Master Kaku of Roya,
  "The essential state is pure and clear. How are mountains, rivers and the
   great earth produced at once?"
Kaku said,
  "The essential state is pure and clear. How are mountains, rivers and the
   great earth produced at once?"

Discussion:

Often people repeat Zen sayings as if they understood them, as if repeating what someone else has said transforms you into them.

When Zen Masters say anything it is as if no one had ever spoken before.