Romans 3:11
No one understands, no one is searching for God;
Matthew 13:13-14
This is why I am speaking to them in stories, because they look but do not see, they listen but do not really hear or understand.
Matthew 13:19
When anyone hears the message of the kingdom and does not understand it, the wicked one comes and carries off the seed that was sown in his heart. This is what was sown along the path.
Romans 1:22
Though claiming to be wise, they made fools of themselves,
Romans 1:28
And so, as they did not approve of fully recognizing God any longer, God gave them up to minds that He did not approve, to practices that were improper;
Romans 8:7
Because one's thinking the things suggested by the lower nature means enmity to God, for it does not subject itself to God's law, nor indeed can it.
Titus 3:3
For once we too were without understanding, disobedient, misled, habitual slaves to all sorts of passions and pleasures, spending our lives in malice and envy.
1 John 5:20
And we know that the Son of God has come, and has given us insight to recognize the True One; and we are in union with the True One through His Son, Jesus Christ. He is the true God and eternal life.