When you believe you have
found your teacher,
ask him a question.
If he gives you an answer,
be certain that he
is not your teacher.
But if he holds up
just a single finger,
will you pause
in false anticipation,
or do you gaze at
his raised finger
and carefully consider
the answer.

A reflection on Case 19 of the Hekiganroku (Blue Cliff Record)