Mark 9:39

But Jesus said, “Do not hinder him, for there is no one who will perform a miracle in My name, and be able soon afterward to speak evil of Me.

Matthew 7:22-23

Many will say to Me on that day, ‘Lord, Lord, did we not prophesy in Your name, and in Your name cast out demons, and in Your name perform many miracles?’

Matthew 13:28-29

And he said to them, ‘An enemy has done this!’ The slaves *said to him, ‘Do you want us, then, to go and gather them up?’

Mark 10:13-14

And they were bringing children to Him so that He might touch them; but the disciples rebuked them.

Acts 19:13-16

But also some of the Jewish exorcists, who went from place to place, attempted to name over those who had the evil spirits the name of the Lord Jesus, saying, “I adjure you by Jesus whom Paul preaches.”

1 Corinthians 9:27

but I discipline my body and make it my slave, so that, after I have preached to others, I myself will not be disqualified.

1 Corinthians 12:3

Therefore I make known to you that no one speaking by the Spirit of God says, “Jesus is accursed”; and no one can say, “Jesus is Lord,” except by the Holy Spirit.

1 Corinthians 13:1-2

If I speak with the tongues of men and of angels, but do not have love, I have become a noisy gong or a clanging cymbal.

Philippians 1:18

What then? Only that in every way, whether in pretense or in truth, 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
And they were bringing children to Him so that He might touch them; but the disciples rebuked them.
Matthew 13:28
And he said to them, ‘An enemy has done this!’ The slaves *said to him, ‘Do you want us, then, to go and gather them up?’
Philippians 1:18
What then? Only that in every way, whether in pretense or in truth, Christ is proclaimed; and in this I rejoice.Yes, and I will rejoice,

There

Matthew 7:22
Many will say to Me on that day, ‘Lord, Lord, did we not prophesy in Your name, and in Your name cast out demons, and in Your name perform many miracles?’
Acts 19:13
But also some of the Jewish exorcists, who went from place to place, attempted to name over those who had the evil spirits the name of the Lord Jesus, saying, “I adjure you by Jesus whom Paul preaches.”
1 Corinthians 9:27
but I discipline my body and make it my slave, so that, after I have preached to others, I myself will not be disqualified.
1 Corinthians 13:1
If I speak with the tongues of men and of angels, but do not have love, I have become a noisy gong or a clanging cymbal.

Lightly

1 Corinthians 12:3
Therefore I make known to you that no one speaking by the Spirit of God says, “Jesus is accursed”; and no one can say, “Jesus is Lord,” except by the Holy Spirit.

General references

2 Corinthians 13:8
For we can do nothing against the truth, but only for the truth.