In chapter 9 John tells Jesus that they stopped a man from casting our demons “in Jesus’s name” because this person was not part of their group.
It is so interesting that Jesus’s disciples fell into cliquishness as they spent more time together. Perhaps I too, in church, or in small-groups, and in the fellowship of friends can at times think (and act) like John and the disciples did—too inward, too of-myself—that I forget that Jesus was all about reaching everyone; about embracing everyone.