Mark 9:39

“Don’t stop him,” said Jesus, “because there is no one who will perform a miracle in My name who can soon afterward speak evil of Me.

Matthew 7:22-23

On that day many will say to Me, ‘Lord, Lord, didn’t we prophesy in Your name, drive out demons in Your name, and do many miracles in Your name?’

Matthew 13:28-29

“‘An enemy did this!’ he told them.

“‘So, do you want us to go and gather them up?’ the slaves asked him.

Mark 10:13-14

Some people were bringing little children to Him so He might touch them, but His disciples rebuked them.

Acts 19:13-16

Then some of the itinerant Jewish exorcists attempted to pronounce the name of the Lord Jesus over those who had evil spirits, saying, “I command you by the Jesus that Paul preaches!”

1 Corinthians 9:27

Instead, I discipline my body and bring it under strict control, so that after preaching to others, I myself will not be disqualified.

1 Corinthians 12:3

Therefore I am informing you that no one speaking by the Spirit of God says, “Jesus is cursed,” and no one can say, “Jesus is Lord,” except by the Holy Spirit.

1 Corinthians 13:1-2

If I speak human or angelic languages
but do not have love,
I am a sounding gong or a clanging cymbal.

Philippians 1:18

What does it matter? Just that in every way, whether out of false motives or true, Christ is proclaimed. And in this I rejoice. Yes, and I will rejoice

Treasury of Scripture Knowledge

Summary

But Jesus said, Forbid him not: for there is no man which shall do a miracle in my name, that can lightly speak evil of me.

General references

Bible References

Forbid

Mark 10:13
Some people were bringing little children to Him so He might touch them, but His disciples rebuked them.
Matthew 13:28
“‘An enemy did this!’ he told them.

“‘So, do you want us to go and gather them up?’ the slaves asked him.
Philippians 1:18
What does it matter? Just that in every way, whether out of false motives or true, Christ is proclaimed. And in this I rejoice. Yes, and I will rejoice

There

Matthew 7:22
On that day many will say to Me, ‘Lord, Lord, didn’t we prophesy in Your name, drive out demons in Your name, and do many miracles in Your name?’
Acts 19:13
Then some of the itinerant Jewish exorcists attempted to pronounce the name of the Lord Jesus over those who had evil spirits, saying, “I command you by the Jesus that Paul preaches!”
1 Corinthians 9:27
Instead, I discipline my body and bring it under strict control, so that after preaching to others, I myself will not be disqualified.
1 Corinthians 13:1
If I speak human or angelic languages
but do not have love,
I am a sounding gong or a clanging cymbal.

Lightly

1 Corinthians 12:3
Therefore I am informing you that no one speaking by the Spirit of God says, “Jesus is cursed,” and no one can say, “Jesus is Lord,” except by the Holy Spirit.

General references

2 Corinthians 13:8
For we are not able to do anything against the truth, but only for the truth.

Holman Christian Standard Bible®, Copyright © 1999, 2000, 2002, 2003, 2009 by Holman Bible Publishers.