Mark 9:38

Overview - Mark 9
1	Jesus is transfigured.
11	He instructs his disciples concerning the coming of Elias;
14	casts forth a deaf and dumb spirit;
30	foretells his death and resurrection;
33	exhorts his disciples to humility;
38	bidding them not to prohibit such as are not against them, nor to give offence to any of the faithful.

Mark 9:38  (King James Version)
And John answered him, saying, Master, we saw one casting out devils in thy name, and he followeth not us: and we forbad him, because he followeth not us.