worked out an interpretation of fire, wind and water, as applied to God. Mention is made, more incidentally, in EH I.2 of a book, On the Objects of Spiritual and Sensible Perception, which was to have constituted, on the one hand, the crucial link between the Divine Names and the Symbolic Theology, and, on the other, that between the Celestial Hierarchy and the Ecclesiastical Hierarchy, as well as concerning itself with the central object of any ‘aesthetics’. Further, CH VII.4 once mentions a tractate