Authors:

just sitting does not involve reaching some understanding. It is the subtle activity of allowing all things to be completely at rest just as they are, not poking one's head into the workings of the world.

John Daido Loori (2010). “The Art of Just Sitting: Essential Writings on the Zen Practice of Shikantaza (Large Print 16pt)”, p.10, ReadHowYouWant.com
just sitting does not involve reaching some understanding. It is the subtle activity of allowing all things to be completely at rest just as they are, not poking one's head into the workings of the world.