Romans 3:11
there is none that understands; there is none that seeks after God;
Matthew 13:13-14
On this account, I speak to them in parables; because, seeing, they see not; and, hearing, they hear not, nor understand.
Matthew 13:19
When any one hears the word of the Kingdom, and understands it not, the evil one comes, and snatches away what has been sown in his heart: this is he that was sown by the wayside.
Romans 1:22
Professing themselves to be wise, they became fools,
Romans 1:28
And, as they did not approve the holding of God in their knowledge, God delivered them up to a reprobate mind, to do those things which are not becoming;
Romans 8:7
because the mind of the flesh is enmity against God; for it is not subject to the law of God, neither, indeed, can it be;
Titus 3:3
For we also were once foolish, disobedient, deceived, serving manifold desires and pleasures, living in malice and envy, hateful, and hating one another.
1 John 5:20
And we know that the Son of God hath come, and hath given us understanding, that we may know the True One: and we are in the True One??n His Son Jesus Christ. This is the True God, and eternal life.