Who are these that fly as a cloud, and as the doves to their windows?

Who are these coming like a cloud, like a flight of doves to their windows?

Τινες ειναι οι πετωμενοι ως νεφη και ως περιστεραι εις τας θυριδας αυτων;

Who are these that fly as a cloud, and as the doves to their windows?