John 8:43
"How is it that you do not understand what I say? It is because you cannot listen to my message.
Romans 3:11
There is none that understands, none that seeks for God!
1 Corinthians 6:16
Do you not know that he who joins himself to a harlot is one with her in body? (For God says, The two shall become one flesh.)
Ephesians 4:18
having their understanding darkened, alienated from the life of God through the ignorance that is in them, because of the hardening of their hearts.
Hebrews 12:8
If you are left without discipline, in which all children share, then are you bastards and not sons.