No man taketh the honour unto himself unless he be called of God (St. Cyril)

A certain man drew near to Christ the Saviour of us all saying, "Teacher, I will follow Thee whithersoever Thou goest." But He rejected the man, saying, "The foxes have holes, and the birds of heaven a place to lodge in: but that He had not where to lay His head."

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The Shepherd and the Thief (from St. Cyril)

Verily, verily, I say unto you, He that entereth not by the door into the sheepfold, but climbeth up some other way, the same is a thief and a robber.  But he that entereth in by the door is the shepherd of the sheep.  To him the porter openeth; and the sheep hear his voice: and he calleth his own sheep by name, and leadeth them out. And when he putteth forth his own sheep, he goeth before them, and the sheep follow him: for they know his voice. And a stranger will they not follow, but will flee from him: for they know not the voice of strangers.(John 10:1-5)