60 Many therefore of his disciples having heard [it] said, This word is hard; who can hear it? 61 But Jesus, knowing in himself that his disciples murmur concerning this, said to them, Does this offend you? 62 If then ye see the Son of man ascending up where he was before? 63 It is the Spirit which quickens, the flesh profits nothing: the words which I have spoken unto you are spirit and are life. 64 But there are some of you who do not believe. For Jesus knew from the beginning who they were who did not believe, and who would deliver him up. 65 And he said, Therefore said I unto you, that no one can come to me unless it be given to him from the Father.
Matthew Henry's Commentary on John 6:60-65
Commentary on John 6:60-65
(Read John 6:60-65)
The human nature of Christ had not before been in heaven, but being God and man, that wondrous Person was truly said to have come down from heaven. The Messiah's kingdom was not of this world; and they were to understand by faith, what he had said of a spiritual living upon him, and his fulness. As without the soul of man the flesh is of no value, so without the quickening Spirit of God all forms of religion are dead and worthless. He who made this provision for our souls, alone can teach us these things, and draw us unto Christ, that we may live by faith in him. Let us apply to Christ, thankful that it is declared that every one who is willing to come unto him shall be made welcome.