Matthew 21:27

So they answered Jesus, "We do not know." He said to them, "No more will I tell you what authority I have for acting as I do.

Matthew 15:14

Let them alone; they are blind guides of the blind, and if one blind man leads another, both of them will fall into a pit."

Matthew 23:16-28

Woe to you, blind guides that you are! you say, 'Swear by the sanctuary, and it means nothing; but swear by the gold of the sanctuary, and the oath is binding.'

Luke 20:7-8

So they answered that they did not know where it came from.

John 9:30

The man replied to them, "Well, this is astonishing! You do not know where he comes from, and yet he has opened my eyes!

John 9:40-41

On hearing this the Pharisees who were beside him asked, "And are we blind?"

Romans 1:18-22

But God's anger is revealed from heaven against all the impiety and wickedness of those who hinder the Truth by their wickedness.

Romans 1:28

Yes, as they disdained to acknowledge God any longer, God has given them up to a reprobate instinct, for the perpetration of what is improper,

2 Corinthians 4:3

Even if my gospel is veiled, it is only veiled in the case of the perishing;

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 of the blind, and if one blind man leads another, both of them will fall into a pit."
Matthew 23:16
Woe to you, blind guides that you are! you say, 'Swear by the sanctuary, and it means nothing; but swear by the gold of the sanctuary, and the oath is binding.'
Luke 20:7
So they answered that they did not know where it came from.
John 9:30
The man replied to them, "Well, this is astonishing! You do not know where he comes from, and yet he has opened my eyes!
Romans 1:18
But God's anger is revealed from heaven against all the impiety and wickedness of those who hinder the Truth by their wickedness.
2 Corinthians 4:3
Even if my gospel is veiled, it is only veiled in the case of the perishing;

General references

Luke 14:4
They held their peace. Then Jesus took hold of the man and cured him and sent him off.
Luke 20:8
Jesus said to them, "No more will I tell you what authority I have for acting as I do."