Because emptiness is contained in existence, existence exists yet is not existent —the view of existence ends here. Because existence is contained in emptiness, emptiness is not empty —the attachment to emptiness is utterly abandoned.
Emptiness and existence enter each other, completely interpenetrating; as emptiness and existence are non-dual, neither view arises. They intermingle without hindrance, yet without preventing both aspects from remaining. They eliminate each other, merging completely, yet without destroying the nonidentity of both and the disappearance of the pair [of subject and object].
Thereby you realize the jewel of Completeness and are free, unconstrained by any view.
—Tu Shun, Cessation and Contemplation