John 8:43
Why is it that you misunderstand what I say? It is because you cannot listen to what I teach.
Romans 3:11
No one understands, no one is searching for God;
1 Corinthians 6:16
Or, are you not aware that a man who has to do with a prostitute makes his body one with hers? For God says, "The two shall be physically one."
Ephesians 4:18
with darkened understanding, estranged from the life of God because of the ignorance that exists among them and because of the stubbornness of their hearts;
Hebrews 12:8
Now if you are without any discipline, in which all true sons share, you are only illegitimate children and not true sons.