Mark 7:18

And he said to them, "Then are you also without understanding? Do you not see that whatever goes into a person from outside cannot defile him,

Isaiah 28:9-10

"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?

Jeremiah 5:4-5

Then I said, "These are only the poor; they have no sense; for they do not know the way of the LORD, the justice of their God.

Matthew 15:16-17

And he said, "Are you also still without understanding?

Matthew 16:11

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

Mark 4:13

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

Luke 24:25

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

John 3:10

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

1 Corinthians 3:2

I fed you with milk, not solid food, for you were not ready for it. And even now you are not yet ready,

Hebrews 5:11

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

Treasury of Scripture Knowledge did not add

The Holy Bible, English Standard Version® copyright © 2001 by Crossway Bibles, a publishing ministry of Good News Publishers.