Mark 9:39

Jesus said, "Do not try to stop him, for there is no one who will use my name to do a mighty deed, and then be able soon to abuse me.

Matthew 7:22-23

Many will say to me on that day, 'Lord, Lord, was it not in your name that we prophesied, and in your name that we drove out demons, and in your name that we did many wonder-works?'

Matthew 13:28-29

He said to them, 'An enemy has done this.' Then they said to him, 'Do you want us, then, to go and gather them?'

Mark 10:13-14

And people were bringing little children to Him for Him to touch them, but the disciples reproved them for it.

Acts 19:13-16

But some wandering Jews who claimed to be driving out the evil spirits tried to use the name of the Lord Jesus on those who had evil spirits in them, saying, "I command you by that Jesus whom Paul preaches!"

1 Corinthians 9:27

But I keep on beating and bruising my body and making it my slave, so that I, after I have summoned others to the race, may not myself become unfit to run.

1 Corinthians 12:3

So I want to inform you that no one speaking under the power of the Spirit of God can say, "Jesus is accursed!" and no one except one under the power of the Holy Spirit can really say, "Jesus is Lord!"

1 Corinthians 13:1-2

If I could speak the languages of men, of angels too, and have no love, I am only a rattling pan or a clashing cymbal.

Philippians 1:18

What difference then does it make? In one way or another, whether in pretense or in sincerity, Christ is being preached, and that is the thing that makes me glad; yes, more too, I will continue to be glad of it,

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 people were bringing little children to Him for Him to touch them, but the disciples reproved them for it.
Matthew 13:28
He said to them, 'An enemy has done this.' Then they said to him, 'Do you want us, then, to go and gather them?'
Philippians 1:18
What difference then does it make? In one way or another, whether in pretense or in sincerity, Christ is being preached, and that is the thing that makes me glad; yes, more too, I will continue to be glad of it,

There

Matthew 7:22
Many will say to me on that day, 'Lord, Lord, was it not in your name that we prophesied, and in your name that we drove out demons, and in your name that we did many wonder-works?'
Acts 19:13
But some wandering Jews who claimed to be driving out the evil spirits tried to use the name of the Lord Jesus on those who had evil spirits in them, saying, "I command you by that Jesus whom Paul preaches!"
1 Corinthians 9:27
But I keep on beating and bruising my body and making it my slave, so that I, after I have summoned others to the race, may not myself become unfit to run.
1 Corinthians 13:1
If I could speak the languages of men, of angels too, and have no love, I am only a rattling pan or a clashing cymbal.

Lightly

1 Corinthians 12:3
So I want to inform you that no one speaking under the power of the Spirit of God can say, "Jesus is accursed!" and no one except one under the power of the Holy Spirit can really say, "Jesus is Lord!"

General references

2 Corinthians 13:8
For I cannot do anything against the truth, but only for it.