Mark 11:33
So they answered Jesus, "We do not know." And Jesus said to them, "Neither will I tell you by what authority I do these things."
Job 5:13
He catches the wise in their own craftiness, and the schemes of the wily are brought to a quick end.
Proverbs 26:4-5
Answer not a fool according to his folly, lest you be like him yourself.
Isaiah 1:3
The ox knows its owner, and the donkey its master's crib, but Israel does not know, my people do not understand."
Isaiah 6:9-10
And he said, "Go, and say to this people: "'Keep on hearing, but do not understand; keep on seeing, but do not perceive.'
Isaiah 29:9-14
Astonish yourselves and be astonished; blind yourselves and be blind! Be drunk, but not with wine; stagger, but not with strong drink!
Isaiah 42:19-20
Who is blind but my servant, or deaf as my messenger whom I send? Who is blind as my dedicated one, or blind as the servant of the LORD?
Isaiah 56:10
His watchmen are blind; they are all without knowledge; they are all silent dogs; they cannot bark, dreaming, lying down, loving to slumber.
Jeremiah 8:7-9
Even the stork in the heavens knows her times, and the turtledove, swallow, and crane keep the time of their coming, but my people know not the rules of the LORD.
Hosea 4:6
My people are destroyed for lack of knowledge; because you have rejected knowledge, I reject you from being a priest to me. And since you have forgotten the law of your God, I also will forget your children.
Malachi 2:7-8
For the lips of a priest should guard knowledge, and people should seek instruction from his mouth, for he is the messenger of the LORD of hosts.
Matthew 15:14
Let them alone; they are blind guides. And if the blind lead the blind, both will fall into a pit."
Matthew 16:4
An evil and adulterous generation seeks for a sign, but no sign will be given to it except the sign of Jonah." So he left them and departed.
Matthew 21:27
So they answered Jesus, "We do not know." And he said to them, "Neither will I tell you by what authority I do these things.
Luke 10:21-22
In that same hour he rejoiced in the Holy Spirit and said, "I thank you, Father, Lord of heaven and earth, that you have hidden these things from the wise and understanding and revealed them to little children; yes, Father, for such was your gracious will.
Luke 20:7-8
So they answered that they did not know where it came from.
Luke 22:66-69
When day came, the assembly of the elders of the people gathered together, both chief priests and scribes. And they led him away to their council, and they said,
John 3:10
Jesus answered him, "Are you the teacher of Israel and yet you do not understand these things?
John 9:27
He answered them, "I have told you already, and you would not listen. Why do you want to hear it again? Do you also want to become his disciples?"
Romans 1:18-22
For the wrath of God is revealed from heaven against all ungodliness and unrighteousness of men, who by their unrighteousness suppress the truth.
Romans 1:28
And since they did not see fit to acknowledge God, God gave them up to a debased mind to do what ought not to be done.
2 Corinthians 3:15
Yes, to this day whenever Moses is read a veil lies over their hearts.
2 Corinthians 4:3-4
And even if our gospel is veiled, it is veiled only to those who are perishing.
2 Thessalonians 2:10-12
and with all wicked deception for those who are perishing, because they refused to love the truth and so be saved.