Luke 8:9-10
What is written? (ESV)
And when his disciples asked him what this parable meant, he said, To you it has been given to know the secrets of the kingdom of God, but for others they are in parables, so that seeing they may not see, and hearing they may not understand.
What does it say?
The disciples asked Jesus what the parable meant, and Jesus shared a truth that they were learning about the “secrets” of the kingdom of God while others hear parables, so that seeing they may not see and hearing they may not understand.
What is its immediate context?
The same instance as in Matthew 13:10-13 with added details from Luke. Jesus is moving around various cities teaching of the kingdom. The twelve plus some other disciples are traveling with him. He has just shared the parable of the sower and the disciples ask him what it means.
How Luke 8:9-10 is applied across Bible answers
Why did Jesus teach using parables (Matthew 13:10-13)?
The lesson from the parable wasn't obvious, as the disciples had to ask Jesus (privately) for an explanation. Two types of individuals are contrasted. One isn't interested in the spiritual, and it's for them that the parables are told - so "they may not understand." The other wants to know more, and for them, "the secrets" are revealed ---- not by the parable, but in its spiritual application.
This is another account of the same exchange between Jesus and His disciples.1


