Matthew 21:27

And, answering Jesus, they said, "We do not know." He also said to them, "Neither do I tell you by what authority I do these things."

Matthew 15:14

Let them alone; they are blind guides; and if a blind man be guiding a blind man, both will fall into a pit."

Matthew 16:3

and in the morning, 'Today, a tempest; for red is the overcast heaven.' The face of the heaven, indeed, ye know how to discern, but the signs of the times ye can not discern.

Matthew 23:16-28

"Woe to you, blind guides, who say, 'Whosoever swears by the temple, it is nothing; but whosoever swears by the gold of the temple, he is a debtor!'

Luke 20:7-8

And they answered that they knew not whence it was;

John 9:30

The man answered and said to them, "Why, in this is the wonder, that ye do not know whence He is, and He opened my eyes.

John 9:40-41

Those of the Pharisees who were with Him heard these things, and said to Him, "Are we also blind?"

Romans 1:18-22

For God's wrath is revealed from Heaven against all ungodliness and unrighteousness of men, who hinder the truth in unrighteousness;

Romans 1:28

And, as they did not approve the holding of God in their knowledge, God delivered them up to a reprobate mind, to do those things which are not becoming;

2 Corinthians 4:3

And, even if our Gospel has been veiled, it has been veiled in those who perish;

2 Thessalonians 2:9-10

him whose coming is according to the working of Satan in 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 guides; and if a blind man be guiding a blind man, both will fall into a pit."
Matthew 16:3
and in the morning, 'Today, a tempest; for red is the overcast heaven.' The face of the heaven, indeed, ye know how to discern, but the signs of the times ye can not discern.
Matthew 23:16
"Woe to you, blind guides, who say, 'Whosoever swears by the temple, it is nothing; but whosoever swears by the gold of the temple, he is a debtor!'
Luke 20:7
And they answered that they knew not whence it was;
John 9:30
The man answered and said to them, "Why, in this is the wonder, that ye do not know whence He is, and He opened my eyes.
Romans 1:18
For God's wrath is revealed from Heaven against all ungodliness and unrighteousness of men, who hinder the truth in unrighteousness;
2 Corinthians 4:3
And, even if our Gospel has been veiled, it has been veiled in those who perish;
2 Thessalonians 2:9
him whose coming is according to the working of Satan in all power and signs and lying wonders,

General references

Luke 14:4
But they were silent. And, taking hold of him, He healed him, and let him go;
Luke 20:8
and Jesus said to them, "Neither do I tell you by what authority I am doing these things."