John 10:26
But ye believe not, because ye are not of My sheep.
John 8:47
He that is of God hears the words of God; on this account, ye hear them not, because ye are not of God."
John 6:37
All that the Father giveth to Me shall come to Me; and him who comes to Me I will in no wise cast out;
John 6:44-45
No one can come to Me, unless the Father Who sent Me draw him; and I will raise him up at the last day.
John 6:65
And He said, "For this cause I have said to you, that no one can come to Me, unless it has been given to him of the Father."
John 10:4
When he drives out all his own, he goes on before them, and the sheep follow him; because 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 signs before them, they were not believing on Him;
Romans 11:7-8
What, then? What Israel is seeking for, this he did not obtain; but the election obtained it, and the rest were hardened;
2 Corinthians 4:3-4
And, even if our Gospel has been veiled, it has been veiled in those who perish;
1 John 4:6
We are of God; he that knows God hears us; he that is not of God hears us not: from this we know the spirit of truth and the spirit of error.