Mark 4:13

And he said to them, "Do you not understand this parable? How then will you understand all the parables?

Those whom I love, I rebuke and chasten. So be zealous and repent.

"Hear then the parable of the sower:

Jesus asked, "Have you understood all these things?" "Yes," they said to him.

But Peter said to him, "Explain the parable to us."

But Jesus, aware of this, said, "O men of little faith, why do you discuss among yourselves the fact that you have no bread?

When he had left the crowd and entered the house, his disciples asked him about this parable.

"Now the parable is this: The seed is the word of God.

And he said to them, "O foolish men, and slow of heart to believe all that the prophets have spoken!

But I, brethren, could not address you as spiritual men, but as carnal men, as infants in Christ.

About this we have much to say which is hard to explain, since you have become dull of hearing.

Treasury of Scripture Knowledge

And he said unto them, Know ye not this parable? and how then will ye know all parables?

So he said to them, "Are you also without understanding? Do you not see that whatever enters a man from outside cannot defile him,