Isaiah 28:9-10

9 a“To whom will he teach knowledge,
and to whom will he explain the message?
Those who are weaned from the milk,
those taken from the breast?
10For it is precept upon precept, precept upon precept,
line upon line, line upon line,
here a little, there a little.”

Jeremiah 5:4-5

4 Then I said, “These are only the poor;
they have no sense;
bfor they do not know the way of the Lord,
the justice of their God.
5I will go to the great
and will speak to them,
for they know the way of the Lord,
the justice of their God.”
cBut they all alike had broken the yoke;
they had burst the bonds.

Matthew 15:16-17

16And he said, dAre you also still without understanding? 17Do you not see that ewhatever goes into the mouth passes into the stomach and is expelled?
Greek  is expelled into the latrine

Matthew 16:11

11How is it that you fail to understand that I did not speak about bread? gBeware of the leaven of the Pharisees and Sadducees.”

Mark 4:13

13 hAnd he said to them, “Do you not understand this parable? How then will you understand all the parables?

Luke 24:25

25And he said to them, O foolish ones, and slow of heart to believe all that the prophets have spoken!

John 3:10

10Jesus answered him, Are you the teacher of Israel iand yet you do not understand these things?
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