Mark 7:18

And he says to them, Are also ye so without understanding? Do ye not perceive that everything outside that enters into the man cannot defile him,

Isaiah 28:9-10

Whom will he teach knowledge? And whom will he make to understand the message? Those who are weaned from the milk, and drawn from the breasts?

Jeremiah 5:4-5

Then I said, Surely these are poor, they are foolish, for they know not the way of LORD, nor the law of their God.

Matthew 15:16-17

And Jesus said, Are ye also still without understanding?

Matthew 16:11

How do ye not understand that I spoke to you not about bread, to beware of the leaven of the Pharisees and Sadducees?

Mark 4:13

And he says to them, Do ye not know this parable? And how will ye understand all the parables?

Luke 24:25

And he said to them, O foolish men, and slow of heart to believe in all that the prophets spoke.

John 3:10

Jesus answered and said to him, Thou are the teacher of Israel, and do not understand these things?

1 Corinthians 3:2

I gave you milk to drink and not solid food, for ye were not yet able. But not even yet are ye able,

Hebrews 5:11

About whom, much subject matter from us is also difficult to explain, since ye have become sluggish in hearing.

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