In prayer we are neither on the one hand dialoguing with an outside source who utters messages from without, nor are we simply talking to ourselves. We are reaching deeply into ourselves and sensing more clearly that we are in God's knowledge and love. We are discovering the Divine within us. We are experiencing ourselves and our lives as uttered by God, and we listen.
I believe that angels are forms, images, and expressions through which the essences and energy forces of God can be transmitted and that, since there are an infinite number of these forms, the greatest service anyone can pay the angelic host is never consciously to limit the ways angels might appear to us.