eart, the heart being taken as the
             affections, which to be pure must be free of attachments to anything that
             to ; purity of the spirit, in example, of the imagination and memory; and
             It is to these processes that the well-known term "night" is applied by St.
             Cross, since they imply three things which are as night to the soul in so far
             beyond or contrary to its own lights, the privation of pleasure, faith as
             human knowledge, and as incomprehensible, or darkness, to the unaided soul.
             ...