When you are deluded and full of doubt,
Even a thousand books of scripture
Are still not enough.
When you have realized understanding,
Even one word is already too much.
Zen is communicated personally,
Through mental recognition.
It is not handed on directly by written words.

Fenyang Shanzhao (947 CE-1924 CE), Fenyang Shanzhao Gave Transmission to Ciming Quyuan and is thus the Ancestor of all surviving Linji Lineages. He only had seven students. Fenyang was the first master to add verse commentaries to the old stories or koan