No angel or archangel in heaven, no saint, not even the Blessed Virgin herself, has the power of a priest of God: the power of the keys, the power to bind and to loose from sin, the power of exorcism, the power to cast out from the creatures of God the evil spirits that have power over them; the power, the authority, to make the great God of Heaven come down upon the altar and take the form of bread and wine. --I can't understand you, said Davin. Did I look very queer?" "Through this window? Dreadful!" "Well," I said, "I've been frightened. It is probably in his character to ask such a question at such a moment in such a tone and to pronounce the word SCIENCE as a monosyllable.