Treasury of Scripture Knowledge
I will put my teaching into a story; I will make my dark sayings clear with music.
For this reason I put things into the form of stories; because they see without seeing, and give ear without hearing, and the sense is not clear to them.
To get the sense of wise sayings and secrets, and of the words of the wise and their dark sayings.
And he said to them in answer, To you is given the knowledge of the secrets of the kingdom of heaven, but to them it is not given.
And without a story he said nothing to them: but privately to his disciples he made all things clear.