Early on, having admitted the difficulty of speaking of ultimate mystery at all, he adds, «This does not mean that it is not worth saying, that it is just empty talk... I do have some things to say, but... I want it understood from the outset how problematic all of this is, how uncertain; but however uncertain, these are matters worth attending to, worth trying to understand as well as we can.» (religion-online.org)
Life and death are concerned with the eternal process of becoming, the process of growth, transition, regression, transformation: a process where the unexpected is forever breaking through the pattern of the seemingly established, and at every turn of the river of life new vistas may be opened enabling the soul to glimpse the country where ultimate mysteries, unknown and unknowable, abide [The Inner World of Childhood (New American Library, 1968)-RSB-. (religion-online.org)
So the use of this convention also expresses the ultimate mystery of God, and acknowledges that our language and symbols can never adequately grasp the being and will of God. (religion-online.org)