I saw in the visions of my head upon my bed, and, behold, a watcher and an holy one came down from heaven;
Ver. 13. And, behold, a watcher and an holy one,] i.e., A holy angel, active and watchful to know and do the will and commands of God for the good of the Church. Hence angels are said to be full of eyes, Eze 1:18 and to stand always beholding the face of God, Mat 18:10 as waiting an employment. How ready was that angel here Dan 4:31 to interrupt the proud king from heaven, and to tell him his doom! So in the next words.