Mark 4:13

Then he told them, "You don't understand this parable, so how can you understand any of the parables?

I correct and discipline those whom I love, so be serious and repent!

"Listen, then, to the parable about the farmer.

"Do you understand all these things?" They told him, "Yes."

Then Peter told him, "Explain to us this parable."

Knowing this, Jesus asked them, "You who have little faith, why are you discussing among yourselves the fact that you don't have any bread?

When he had left the crowd and gone home, his disciples began asking him about the parable.

"Now this is what the parable means. The seed is God's word.

Then Jesus told them, "O, how foolish you are! How slow you are to believe everything the prophets said!

Brothers, I couldn't talk to you as spiritual people but as worldly people, as mere infants in the Messiah.

We have much to say about this, but it is difficult to explain because you have become too lazy to understand.

Treasury of Scripture Knowledge

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

Evil men don't understand justice, but whoever seeks the LORD understands it all.

He asked them, "Are you so ignorant? Don't you know that nothing that goes into a person from the outside can make him unclean?