John 12:40
He hath blinded their eyes, and hardened their heart, that they might not see with their eyes, and understand with their heart, and be converted, and I should heal them.
Matthew 13:13-15
for this reason I speak to them in parables; because though they see, they will not see; and though they hear, they will not hear, nor understand.
Mark 4:12
that in seeing they may see and not perceive, and in hearing they may hear and not understand, least they should be converted, and their sins be forgiven them.
Luke 8:10
And He said, To you it is granted to know the mysteries of the kingdom of God: but I speak to others in parables, that in seeing they may not see, and hearing they may not understand.
Matthew 15:14
Regard them not; for they are blind guides of the blind: and if the blind lead the blind, both will fall into the ditch.
Mark 6:52
for their heart was stupified.
Mark 8:17-18
And Jesus knowing it saith unto them, What are ye reasoning about? because ye have no bread? Do ye not yet discern nor understand? have ye your heart still hardened?
Luke 4:18
"The spirit of the Lord is upon me to the end, for which He hath anointed me: He hath sent me to publish good tidings to the poor, to heal the broken-hearted, to proclaim deliverance to the captives, and recovery of sight to the blind, to release them that are bruised,
John 9:39
And Jesus said, I am come into this world to execute judgement; that they who see not, may see; and that they who say they see, may be made blind.
Acts 3:19
Repent therefore and be converted, that your sins may be blotted out: that seasons of refreshing may come upon you from the presence of the Lord;
Acts 15:3
They therefore, being brought forward on their way by the church, passed through Phenicia and Samaria, relating the conversion of the Gentiles: and they gave great joy to all the brethren.
Acts 28:26
saying, Go to this people and say, Ye shall hear by the hearing of the ear, and not understand; and in seeing ye shall see, and not perceive: for the heart of this people is stupified,
Romans 9:18
So then He hath mercy on whom He pleaseth, and whom He will, He hardeneth.
Romans 11:7-11
What then? Israel hath not obtained that which he sought: but the elect have obtained it, and the rest were blinded,
James 5:19-20
Brethren, if any among you be seduced from the truth, and one convert him;