Messenger invisible

We have all the stories heard about the mysterious angels which appeared in period of the crisis, helping humanity with the constructive support or messages. According to a recent article of Washington Post, which quoted an outline 2008 by the academic institute of Baylor for studies of religion, more half of the Americans to accept the angels, including one in five of those which say that they are not monk. Are there angels? From which do they come? Which is their goal?
The majority among us, of one moment or another, thought that we were all alone. Is it however, really the case?
If you are separated from all, then you can be alone. An good example is somebody locked in a room only; dismounted of differently. However, if you were separate and alone, how an angel could receive you a message?
The church and other structured religions taught much that God surrounds all. If it is thus, you and the angels must also be included, because surround, by definition, would mean to include the ev