Then the people began to murmur in disagreement because he had said, “I am the bread that came down from heaven.” They said, “Isn’t this Jesus, the son of Joseph? We know his father and mother. How can he say, ‘I came down from heaven’?”
But Jesus replied, “Stop complaining about what I said. For no one can come to me unless the Father who sent me draws them to me, and at the last day I will raise them up.
Here is dilemma for the Judaeans. The Messiah who is sent by God is once and for all. Not like anyone else. If Jesus is the true Messiah, there will not be another Messiah sent later. This is not like some kind of pro sports deal. You will receive one Messiah now, and one to be named later. Either believe in Jesus or don’t. But you can’t use human standards to judge God’s work.
It is like the Judaeans are saying Jesus doesn’t have the credentials to be Messiah. Either he can’t be human, or he can’t come from humble origins.
‘We know his parents Joseph and Mary.’
This sounds like they are questioning how Jesus can be from God if he is born of human parents. Or they are questioning the worthiness of having human parents like Joseph and Mary.
Yet, their own Scripture, the Old Testament, is filled with warnings that God’s people will doubt the Messiah. Like this passage from Isaiah 53.
Who has believed our message?
To whom has the Lord revealed his powerful arm?
My servant grew up in the Lord’s presence like a tender green shoot,
like a root in dry ground.
There was nothing beautiful or majestic about his appearance,
nothing to attract us to him.There was nothing beautiful or majestic about his appearance,
nothing to attract us to him.
So, by doubting, the Judaeans are actually themselves fulfilling prophesies from their own Scripture!
Another way of thinking about this is their own doubts should lead them to realize Jesus is the one.
We don’t follow blind faith. When you don’t have faith in the God of Jesus Christ you have blind non-faith.