Mark 6:5, Could Not or Would Not?

And he could there do no mighty work, save that he laid his hands upon a few sick folk, and healed them.

//Jesus, as I’ve pointed out before, is the most human in the Gospel of Mark. In today’s verse, he is unable to heal, presumably because of the people’s unbelief. But when Matthew gets hold of the story, he rewrites it like this:

And he did not many mighty works there because of their unbelief. –Matthew 13:58

So in Matthew’s rendition, Jesus chooses not to do miracles in his hometown of Nazar...