Matthew 21:27

So they answered Jesus, "We do not know." He said to them, "Nor am I going to tell you in what authority I do these deeds.

Matthew 15:14

"Let them alone. They are blind men leading the blind; and if one blind man leads another, both of them will fall into a ditch."

Matthew 16:3

and at dawn you say, 'It will storm today, for the sky is red and lowering.' You know how to discern the look of the sky, but the signs of the times you cannot read.

Matthew 23:16-28

"Woe unto you, blind guides, who say, If any one swears by the Sanctuary, it is nothing, but if any one swears by the gold of the Sanctuary, the oath is binding.

Luke 20:7-8

So they answered that they did not know whence it was.

John 9:30

"This is truly astonishing," said the man in reply, "that you do not know where he is from, and yet he has opened my eyes.

John 9:40-41

Some of the Pharisees who were with him heard this and asked, "We are not blind, are we?"

Romans 1:18-22

For God's wrath is ever being revealed from heaven against all ungodliness and unrighteousness of men who smother the truth by their unrighteousness.

Romans 1:28

And just as they refused to continue to retain God in their knowledge, so did God cast them out to an outcast mind, to do those things which were indecent.

2 Corinthians 4:3

But even if my gospel, too, is "veiled," it is among those who are on the way to perish that it is "veiled."

2 Thessalonians 2:9-10

even he whose coming is according to the energy of Satan, in every power and sign and lying wonder,

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 men leading the blind; and if one blind man leads another, both of them will fall into a ditch."
Matthew 16:3
and at dawn you say, 'It will storm today, for the sky is red and lowering.' You know how to discern the look of the sky, but the signs of the times you cannot read.
Matthew 23:16
"Woe unto you, blind guides, who say, If any one swears by the Sanctuary, it is nothing, but if any one swears by the gold of the Sanctuary, the oath is binding.
Luke 20:7
So they answered that they did not know whence it was.
John 9:30
"This is truly astonishing," said the man in reply, "that you do not know where he is from, and yet he has opened my eyes.
Romans 1:18
For God's wrath is ever being revealed from heaven against all ungodliness and unrighteousness of men who smother the truth by their unrighteousness.
2 Corinthians 4:3
But even if my gospel, too, is "veiled," it is among those who are on the way to perish that it is "veiled."
2 Thessalonians 2:9
even he whose coming is according to the energy of Satan, in every power and sign and lying wonder,

General references

Luke 14:4
They kept silent. Then Jesus took him and healed him and let him go.
Luke 20:8
"Nor will I tell you," Jesus answered, "by whose authority I do these things."