The function of faith is not to reduce mystery to rational clarity, but to integrate the unknown and the known together in a living whole, in which we are more and more able to transcend the limitations of our external self.
...Consider this then: That there is a level of truth, vitally important to human beings, which lies beyond the explainable, demonstrable natural world. In fact, this truth is often more important and sustaining to human beings because it is an eternal truth, not changeable, never at the mercy of different historical theories, or the whims of the scientist, or the observer of heavenly bodies. This truth, in a sense, is our spiritual food.