Case 52: Joshu's Stone Bridge

A monk asked Joshu, 
   "For a long time, the stone bridge of Joshu [1] has echoed in my ears.
    But now that I've come here, I just see a log bridge."
Joshu said,
   "You simply see a log bridge; you don't see the stone bridge yet."
The monk said,
   "What is the stone bridge?"
Joshu said,
   "It lets donkeys cross, it lets horses cross."

[1]: (same note as case 9) The name of the Zen Master Joshu is taken from the
     city "Joshu", near which he taught.