The entrance into Zen is the grasping of

The entrance into Zen is the grasping of one's essential nature. It is absolutely impossible, however, to come to a clear understanding of our essential nature by any intellectual or philosophical method. It is accomplished only by the experience of self-realization through zazen.

~ Koun Yamada

the entrance into zen is the grasping of
 
"One day I will find the right words, and they will be simple." Jack Kerouac