John 8:43
And why do ye not understand my language, but because ye cannot bear my doctrine?
Romans 3:11
there is none that understandeth; there is none that seeketh after God.
1 Corinthians 6:16
God forbid! What! know ye not that he who is joined to an harlot is one body with her? for these two, saith he, shall be one flesh.
Ephesians 4:18
in the vanity of their mind, darkened in their understanding, and alienated from the life of God, through the ignorance that is in them, by reason of the hardness of their heart:
Hebrews 12:8
But if ye be without chastisement, of which all are partakers, then are ye bastards and not sons.