Mark 9:39

Then said Jesus, Forbid him not: for there is no man who shall perform a miracle in my name, who will be able presently after to speak evil of me.

Matthew 7:22-23

Many will say unto me in that day, Lord, Lord, have we not prophesied in thy name? and in thy name have we not cast out devils? and in thy name done many miracles?

Matthew 13:28-29

He saith unto them, Some man, an enemy, hath done this. Then the servants said to him, Wilt thou that we go and weed them out?

Mark 10:13-14

And they brought unto him little children, that he should touch them: but his disciples rebuked those who brought them.

Acts 19:13-16

Then certain of the Jews, who went about as exorcists, attempted to make mention of the name of the Lord Jesus over those who had evil spirits, saying, We adjure you by Jesus whom Paul preacheth.

1 Corinthians 9:27

but I beat down my body, and bring it into subjection, that I may not by any means, after having preached to others, myself become reprobate.

1 Corinthians 12:3

Wherefore I advertise you, that no man speaking by the Spirit of God, call Jesus anathema: and no man can say, Lord Jesus, but by the Holy Ghost.

1 Corinthians 13:1-2

THOUGH I speak with the tongues of men and of angels, but have not love, I am become as sounding brass, and tinkling cymbal.

Philippians 1:18

What then? if Christ is preached in whatever manner it be, whether in pretext or reality, even in this do I rejoice, yea, and 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 brought unto him little children, that he should touch them: but his disciples rebuked those who brought them.
Matthew 13:28
He saith unto them, Some man, an enemy, hath done this. Then the servants said to him, Wilt thou that we go and weed them out?
Philippians 1:18
What then? if Christ is preached in whatever manner it be, whether in pretext or reality, even in this do I rejoice, yea, and will rejoice.

There

Matthew 7:22
Many will say unto me in that day, Lord, Lord, have we not prophesied in thy name? and in thy name have we not cast out devils? and in thy name done many miracles?
Acts 19:13
Then certain of the Jews, who went about as exorcists, attempted to make mention of the name of the Lord Jesus over those who had evil spirits, saying, We adjure you by Jesus whom Paul preacheth.
1 Corinthians 9:27
but I beat down my body, and bring it into subjection, that I may not by any means, after having preached to others, myself become reprobate.
1 Corinthians 13:1
THOUGH I speak with the tongues of men and of angels, but have not love, I am become as sounding brass, and tinkling cymbal.

Lightly

1 Corinthians 12:3
Wherefore I advertise you, that no man speaking by the Spirit of God, call Jesus anathema: and no man can say, Lord Jesus, but by the Holy Ghost.

General references

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