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.
Darkness cannot be dissipated with more darkness. More darkness will only make darkness thicker. Only light can dissipate darkness. Those of us who carry the light are called to shine the light, to share it so that the world will not sink into total darkness.