"Either the material order is the whole of being, wherein all transcendence is an illusion, or it is the phenomenal surface - mysterious, beautiful, terrible, harsh, and haunting - of a world of living spirits.... One should... be able to recognize that it is only the latter view that has ever had the power - over centuries and in every realm of human accomplishment - to summon desire beyond the boring limits marked by mortality, to endow the will with constancy and purpose, and to shape imagination towards ends that should not be possible within the narrow economies of the flesh."