"A door opened in heaven." (Rev. 4:1)

You must remember that John was in the Isle of Patmos, a lone, rocky, inhospitable prison, for the Word of God and the testimony of Jesus. And yet to him, under such circumstances, separated from all the loved ones of Ephesus; debarred from the worship of the Church; condemned to the companionship of uncongenial fellow-captives, were vouchsafed these visions. For him, also a door was opened.

We are reminded of Jacob, exiled from his father's house, who laid himself down in a desert place to sleep, and in his dreams beheld a ladder which united Heaven with earth, and at the top stood God.

Not to these only, but to many more, doors have been opened into Heaven, when, so far as the world was concerned, it seemed as though their circumstances were altogether unlikely for such revelations.

To prisoners and captives; to constant sufferers, bound by iron ............