If angels came in packages, we'd almost always pick the wrong one. Even as the devil is evil disguised as good, angels are goodness disguised. They show up in foolscap, calico, and gingham, and brown paper bags. Jesus discovered the realm of God in a mustard seed, the smallest and least portentous of all seeds. Mustard seeds and angels have this in common. They are little epiphanies of the divine amidst the ordinary.