John 10:6

This parable spake Jesus to them; but they understood not what things they were which He spake to them.

Matthew 13:13-14

On this account, I speak to them in parables; because, seeing, they see not; and, hearing, they hear not, nor understand.

Matthew 13:51

"Did ye understand all these things?" They say to Him, "Yes;"

John 6:52

The Jews, therefore, were wrangling with one another, saying, "How can This Man give us His flesh to eat?"

John 6:60

Many, therefore, of His disciples, having heard this, said, "This is a hard saying! Who can hear it?"

John 7:36

What is this word that He said, 'Ye will seek Me, and will not find Me; and where I am, ye cannot come?'"

John 8:27

They perceived not that He was speaking to them of the Father.

John 8:43

Why do ye not understand My speech? it is because ye cannot hear My word.

John 16:25

"These things have I spoken to you in proverbs. An hour is coming, when I will no more speak to you in proverbs, but will tell you plainly of the Father.

1 Corinthians 2:14

But a natural man receives not the things of the Spirit of God; for they are foolishness to him; and he cannot know them, because they are spiritually judged.

1 John 5:20

And we know that the Son of God hath come, and hath given us understanding, that we may know the True One: and we are in the True One??n His Son Jesus Christ. This is the True God, and eternal life.

Treasury of Scripture Knowledge

Summary

This parable spake Jesus unto them: but they understood not what things they were which he spake unto them.

General references

Bible References

They understood not

John 6:52
The Jews, therefore, were wrangling with one another, saying, "How can This Man give us His flesh to eat?"
John 7:36
What is this word that He said, 'Ye will seek Me, and will not find Me; and where I am, ye cannot come?'"
John 8:27
They perceived not that He was speaking to them of the Father.
Matthew 13:13
On this account, I speak to them in parables; because, seeing, they see not; and, hearing, they hear not, nor understand.
1 Corinthians 2:14
But a natural man receives not the things of the Spirit of God; for they are foolishness to him; and he cannot know them, because they are spiritually judged.
1 John 5:20
And we know that the Son of God hath come, and hath given us understanding, that we may know the True One: and we are in the True One??n His Son Jesus Christ. This is the True God, and eternal life.

General references

Luke 18:34
And they understood none of these things; and this saying was hidden from them, and they were not understanding the things being said.