Luke 8:10
He said, the knowledge of the secrets of the kingdom of God has been given to you, but to others I speak in parables, so that, though seeing, they may not see; though hearing, they may not understand — the secret (mystērion) of the kingdom given to the disciples versus the parables given to others echoes Isaiah 6:9–10. The explanation communicates that parables are not merely pedagogical devices but operate as a selective mechanism — revealing to those who seek understanding and concealing from those who do not.