But Jesus said, "Do not forbid him, for no one who works a miracle in My name can soon afterward speak evil of Me.
Mark 9:39
Surrounding context
9:38 Now John answered Him, saying, "Teacher, we saw someone who does not follow us casting out demons in Your name, and we forbade him because he does not follow us."
9:39 But Jesus said, "Do not forbid him, for no one who works a miracle in My name can soon afterward speak evil of Me.
9:40 For he who is not against us is on our side.