At first, even one minute spent in unaccustomed prayer will seem as endless as an empty silence or a blank stillness; but these periods of quiet can be lengthened profitably, and these times of silent stillness can become alive, eventually becoming the most rewarding experiences of the day, as one discovers how much God has to say to those who will listen. "In quietness and in confidence shall be your strength." A person who does not understand another's silences will not understand their words either.
What remain constant in every account of angels, from ancient days to the present, is that they are both messengers and companions to humans, sent from a realm beyond usual seeing. Angels appear, and in one way or another, help us, advise us, inspire us, or amaze us.