Mark 7:18

and he said unto them, "Are ye so without understanding? Do ye not yet perceive, that whatsoever thing from without entereth into a man, it cannot defile him,

Isaiah 28:9-10

Whom then shall such one teach knowledge? And whom shall he make to understand the thing that he heareth? For they are as ignorant as young children, which are weeded from suck or taken from the breasts.

Jeremiah 5:4-5

Therefore thought I in myself, "Peradventure they are so simple and foolish, that they understand nothing of the LORD's way, and judgments of our God.

Matthew 15:16-17

Then said Jesus, "Are ye yet without an understanding?

Matthew 16:11

Why perceive ye not, then, that I spake not unto you of bread, when I said, 'Beware of the leaven of the Pharisees and of the Sadducees?'"

Mark 4:13

And he said unto them, "Perceive ye not this similitude? How then should ye understand all other similitudes?

Luke 24:25

And he said unto them, "O fools, and slow of heart to believe all that the prophets have spoken.

John 3:10

Jesus answered and said unto him, "Art thou a master in Israel, and knowest not these things?

1 Corinthians 3:2

I gave you milk to drink and not meat. For ye then were not strong - no, neither yet are strong.

Hebrews 5:11

Whereof we have many things to say which are hard to be uttered: because ye are dull of hearing.

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