Mateus 13

13 Therefore I speak to them in parables, that seeing they not see and hearing they not hear nor understand.*This is in response to their choice, as verses 14-15 make clear. But Jesus only started using parables after the Pharisees blasphemed the Holy Spirit—they formally rejected Jesus as Messiah. Notice that the declared purpose of the parables is that the people not understand. It follows that doctrine should never be based on a parable, unless Jesus interprets it—the interpretation may be used, but not the parable itself. 14 And in them the prophecy of Isaiah is fulfilled, which says:

‘By hearing you (ye) will hear and not understand,

and seeing you will see and not perceive.

15 Because the A hearts of this people have grown dull,

and their B ears hard of hearing,

and their C eyes they have closed;

lest they should see with their C eyes

and hear with their B ears

and understand with their A hearts,

and turn around; and I would heal them.’*A triple chiasmus—ABC,CBA. The Text is clear to the effect that if they turn around He will heal.