Now Joshua was old and well stricken in years; and Yahweh said to him, You are old and well stricken in years, and there remains yet very much land to be possessed.
The conflict with which we are confronted here in the view of "a task well done" as contrasted "with much yet left to do," is a fact of all life, especially in the spiritual sector.  This experience of the secular Israel is a type of the Christian Church, or a type of the human heart.