John 8:43
Why do you not understand my speech? even because you cannot hear my word.
Jeremiah 6:10
To whom shall I speak, and give warning, that they may hear? behold, their ear is uncircumcised, and they cannot hearken: behold, the word of the LORD is unto them a reproach; they have no delight in it.
John 7:17
If any man will do his will, he shall know of the doctrine, whether it be of God, or whether I speak of myself.
Proverbs 28:5
Evil men understand not justice: but they that seek the LORD understand all things.
Isaiah 6:9
And he said, Go, and tell this people, Hear you indeed, but understand not; and see you indeed, but perceive not.
Isaiah 44:18
They have not known nor understood: for he has shut their eyes, that they cannot see; and their hearts, that they cannot understand.
Hosea 14:9
Who is wise, and he shall understand these things? prudent, and he shall know them? for the ways of the LORD are right, and the just shall walk in them: but the transgressors shall stumble in them.
Micah 4:12
But they know not the thoughts of the LORD, neither understand they his counsel: for he shall gather them as the sheaves into the floor.
John 5:43
I am come in my Father's name, and you receive me not: if another shall come in his own name, him you will receive.
John 6:60
Many therefore of his disciples, when they had heard this, said, This is a hard saying; who can hear it?
John 8:27
They understood not that he spoke to them of the Father.
John 12:39-40
Therefore they could not believe, because Isaiah said again,
Acts 7:51
You stiff-necked and uncircumcised in heart and ears, you do always resist the Holy Spirit: as your fathers did, so do you.
Romans 3:11
There is none that understands, there is none that seeks after God.
Romans 8:7-8
Because the carnal mind is enmity against God: for it is not subject to the law of God, neither indeed can be.