John 6:63–65
63 zIt is the Spirit who gives life; athe flesh is no help at all. bThe words that I have spoken to you are spirit and life. 64 But cthere are some of you who do not believe.” (For Jesus vknew from the beginning who those were who did not believe, and dwho it was who would betray him.) 65 And he said, “This is why I told you ethat no one can come to me unless it is granted him by the Father.”
John 6:37
37 zAll that athe Father gives me will come to me, and bwhoever comes to me I will never cast out.