The Door
A fold of stone by night, thieves at its wall, one door full of light, and the sheep going in and out by it to pasture. Scroll to watch it.
I am the Door: by Me if any man enter in, he shall be saved, and shall go in and go out, and shall find pasture.
John 10:9, as St Cyril of Alexandria gives it
While Our Saviour Christ was saying He Himself was the Door, and teaching that it was His both to admit those whom He would and to keep outside him who is unfit and quite useless for shepherd's work
Cyril of Alexandria, Commentary on John Book VI