Matthew 21:27

And they answered Jesus, and said, We cannot tell. And he said to them, Neither do I tell you by what authority I do these things.

Isaiah 6:10

Make the heart of this people fat, and make their ears heavy, and shut their eyes; lest they see with their eyes, and hear with their ears, and understand with their heart, and convert, and be healed.

Isaiah 28:9

Whom shall he teach knowledge? and whom shall he make to understand doctrine? them that are weaned from the milk, and drawn from the breasts.

Isaiah 29:10-12

For the LORD hath poured out upon you the spirit of deep sleep, and hath closed your eyes: the prophets and your rulers, the seers hath he covered.

Isaiah 42:19-20

Who is blind, but my servant? or deaf, as my messenger that I sent? who is blind as he that is perfect, and blind as the LORD'S servant?

Isaiah 56:10-11

His watchmen are blind: they are all ignorant, they are all dumb dogs, they cannot bark; sleeping, lying down, loving to slumber.

Jeremiah 8:7-9

Yes, the stork in the heaven knoweth her appointed times; and the turtle and the crane and the swallow observe the time of their coming; but my people know not the judgment of the LORD.

Malachi 2:6-9

The law of truth was in his mouth, and iniquity was not found in his lips: he walked with me in peace and equity, and turned many away from iniquity.

Matthew 15:14

Let them alone: they are blind leaders of the blind. And if the blind leadeth the blind, both will fall into the ditch.

Matthew 16:3

And in the morning, It will be foul weather to-day: for the sky is red and lowering. O ye hypocrites, ye can discern the face of the sky; but can ye not discern the signs of the times?

Matthew 23:16-28

Woe to you, ye blind guides, who say, Whoever shall swear by the temple, it is nothing; but whoever shall swear by the gold of the temple, he is a debtor.

Luke 20:7-8

And they answered, that they could not tell whence it was.

John 9:30

The man answered and said to them, Why, herein is a marvelous thing, that ye know not from whence he is, and yet he hath opened my eyes.

John 9:40-41

And some of the Pharisees who were with him heard these words, and said to him, Are we blind also?

Romans 1:18-22

For the wrath of God is revealed from heaven against all ungodliness, and unrighteousness of men, who hold the truth in unrighteousness.

Romans 1:28

And even as they did not like to retain God in their knowledge, God gave them over to a reprobate mind, to do those things which are not convenient;

2 Corinthians 4:3

But if our gospel is hid, it is hid to them that are lost:

2 Thessalonians 2:9-10

Even him, whose coming is after the working of Satan, with all power, and signs, and lying wonders,

Treasury of Scripture Knowledge

Summary

And they answered Jesus, and said, We cannot tell. And he said unto them, Neither tell I you by what authority I do these things.

General references

Bible References

We cannot tell

Matthew 15:14
Let them alone: they are blind leaders of the blind. And if the blind leadeth the blind, both will fall into the ditch.
Matthew 16:3
And in the morning, It will be foul weather to-day: for the sky is red and lowering. O ye hypocrites, ye can discern the face of the sky; but can ye not discern the signs of the times?
Matthew 23:16
Woe to you, ye blind guides, who say, Whoever shall swear by the temple, it is nothing; but whoever shall swear by the gold of the temple, he is a debtor.
Isaiah 6:10
Make the heart of this people fat, and make their ears heavy, and shut their eyes; lest they see with their eyes, and hear with their ears, and understand with their heart, and convert, and be healed.
Isaiah 28:9
Whom shall he teach knowledge? and whom shall he make to understand doctrine? them that are weaned from the milk, and drawn from the breasts.
Isaiah 29:10
For the LORD hath poured out upon you the spirit of deep sleep, and hath closed your eyes: the prophets and your rulers, the seers hath he covered.
Isaiah 42:19
Who is blind, but my servant? or deaf, as my messenger that I sent? who is blind as he that is perfect, and blind as the LORD'S servant?
Isaiah 56:10
His watchmen are blind: they are all ignorant, they are all dumb dogs, they cannot bark; sleeping, lying down, loving to slumber.
Jeremiah 8:7
Yes, the stork in the heaven knoweth her appointed times; and the turtle and the crane and the swallow observe the time of their coming; but my people know not the judgment of the LORD.
Malachi 2:6
The law of truth was in his mouth, and iniquity was not found in his lips: he walked with me in peace and equity, and turned many away from iniquity.
Luke 20:7
And they answered, that they could not tell whence it was.
John 9:30
The man answered and said to them, Why, herein is a marvelous thing, that ye know not from whence he is, and yet he hath opened my eyes.
Romans 1:18
For the wrath of God is revealed from heaven against all ungodliness, and unrighteousness of men, who hold the truth in unrighteousness.
2 Corinthians 4:3
But if our gospel is hid, it is hid to them that are lost:
2 Thessalonians 2:9
Even him, whose coming is after the working of Satan, with all power, and signs, and lying wonders,

General references

Luke 14:4
And they held their peace. And he took him and healed him, and let him go;
Luke 20:8
And Jesus said to them, Neither do I tell you by what authority I do these things.