John 8:43
And why do ye not understand my language, but because ye cannot bear my doctrine?
John 7:17
If any man desire to do his will, he shall know concerning the doctrine, whether it be of God, or whether I speak of myself.
John 5:43
I am come in my Father's name, and ye receive me not: if another should come in his own name, him ye will receive.
John 6:60
Many therefore of his disciples, when they heard Him, said, This discourse is hard to be understood, who can take it in?
John 8:27
But they did not know that He spake unto them of the Father.
John 12:39-40
And therefore they could not believe; for Esaias had also said,
Acts 7:51
Ye stiff-necked, and uncircumcised in heart and ears, ye do always resist the holy Spirit: as your fathers did, so do ye.
Romans 3:11
there is none that understandeth; there is none that seeketh after God.
Romans 8:7-8
because the carnal mind is an enemy to God; for it is not subject to the law of God, nor indeed can be: