Angels and ministers of grace defend us!
“I now recant on the angel front for two reasons,” Callahan states, as she recounts the account of how she, as a Catholic woman, once repelled by hype about angels, changed her position on angels. “The emphasis on angels in the liturgy, religious writing and Catholic tradition has overcome her skepticism,” the woman said. (Callahan) “First, just because a belief is crudely distorted doesn't mean that there's not a core of truth present. Second, there's such a weight of scriptural and liturgical testimony to the existence of angels. . . . compelling testimony to angels appears in every Mass. . . . Angels are too strong an element in the tradition to be omitted. . . .” (Ibid) Callahan says that although she could not locate a single index entry on angels in a two-volume work on Roman Catholic systematic theology she purchased, she chooses to accept angels’ existence “on the authority of the tradition and have only one other hard-won insight. . . .I accept the existence of angels as an element of the mysterious reality of God's plenitude.”
Contrary to Callahan’s experience exploring entries regarding angels, the following excerpt from Catechism of the Catholic Church (easily accessible on the Web) specifically shares Catholic beliefs on angels:
328 The existence of the spiritual, non-corporeal beings that Sacred Scripture usually calls "angels" is a truth of faith. The witness of Scripture is as clear as the unanimity of Tradition.
329 St. Augustine says: "'Angel' is the name of their office, not of their nature. If you seek the name of their nature, it is 'spirit'; if you seek the name of their office, it is 'angel': from what they are, 'spirit', from what they do, 'angel.'" With their whole beings the angels are servants and messengers of God. Because they "always behold the face of...