Zen is the normal state

Taisen Deshimaru

Zen is not a particular state but the normal state: silent, peaceful, unagitated.

In Zazen neither intention, analysis, specific effort nor imagination take place.

It's enough just to be without hypocrisy, dogmatism, arrogance - embracing all opposites.
From the book "The Illustrated Encyclopedia of Buddhist Wisdom: A Complete Introduction to the Principles and Practices of Buddhism"