John 10:26
But you believe not, because you are not of my sheep, as I said unto you.
John 8:47
He that is of God hears God's words: you therefore hear them not, because you are not of God.
John 6:37
All that the Father gives me shall come to me; and he that comes to me I will in no wise cast out.
John 6:44-45
No man can come to me, except the Father who has sent me draw him: and I will raise him up at the last day.
John 6:65
And he said, Therefore said I unto you, that no man can come unto me, except it were given unto him of my Father.
John 10:4
And when he puts forth his own sheep, he goes before them, and the sheep follow him: for they know his voice.
John 10:27
My sheep hear my voice, and I know them, and they follow me:
John 12:37-40
But though he had done so many miracles before them, yet they believed not on him:
Romans 11:7-8
What then? Israel has not obtained that which it seeks for; but the election has obtained it, and the rest were blinded
2 Corinthians 4:3-4
But if our gospel be hid, it is hid to them that are lost:
1 John 4:6
We are of God: he that knows God hears us; he that is not of God hears not us. By this we know the spirit of truth, and the spirit of error.