Angels are spirits, but it is not because they are spirits that they are angels. They become angels when they are sent. For the name angel refers to their office, not their nature. You ask the name of this nature, it is spirit; you ask its office, it is that of an Angel, which is a messenger.
Since God is the highest good, he would not allow any evil to exist in his works unless his omnipotence and goodness were such as to bring good even out of evil.
We take for granted the slow miracle whereby water in the irrigation of a vineyard becomes wine. It is only when Christ turns water into wine, in a quick motion, as it were, that we stand amazed.
What difference, if you are mistaken? For if I am mistaken, I am. For he who is not, assuredly cannot be mistaken; and therefore I am, if I am mistaken. Therefore because I am if I am mistaken, how am I mistaken that I am, when it is sure that I am, if I am mistaken.
And I will ask the Father, and He shall give you another Paraclete, seeing He saith this of the Holy Spirit, Whom except we have, we can neither love God, nor keep His commandments?
Let us leave a little room for reflection in our lives, room too for silence. Let us look within ourselves and see whether there is some delightful hidden place inside where we can be free of noise and argument. Let us hear the Word of God in stillness and perhaps we will then come to understand it.