Mark 9:38

John said to him, "Teacher, we saw someone expelling demons in your name, and we tried to prevent him because he was not following us."

Luke 9:49-50

And John answered [and] said, "Master, we saw someone expelling demons in your name, and we tried to prevent him, because he does not follow in company with us."

Numbers 11:26-29

But two men were left in the camp; the name of one [was] Eldad, and the name of the second [was] Medad, and the spirit rested on them; they were among those who were written [down], but they did not go out to the tent, so they prophesied in the camp.

Luke 11:19

But if I expel demons by Beelzebul, by whom do your sons expel [them]? For this [reason] they will be your judges!

Treasury of Scripture Knowledge

Summary

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.

Bible References

Master

Numbers 11:26
But two men were left in the camp; the name of one [was] Eldad, and the name of the second [was] Medad, and the spirit rested on them; they were among those who were written [down], but they did not go out to the tent, so they prophesied in the camp.
Luke 9:49
And John answered [and] said, "Master, we saw someone expelling demons in your name, and we tried to prevent him, because he does not follow in company with us."
Luke 11:19
But if I expel demons by Beelzebul, by whom do your sons expel [them]? For this [reason] they will be your judges!