Luke 21:15

For I will give you a mouth and wisdom, which all your adversaries shall not be able to contradict nor resist.

Jeremiah 1:9

Then the LORD put forth his hand, and touched my mouth. And the LORD said unto me, Behold, I have put my words in your mouth.

Acts 6:10

And they were not able to resist the wisdom and the spirit by which he spoke.

Exodus 4:11-12

And the LORD said unto him, Who has made man's mouth? or who makes the dumb, or deaf, or the seeing, or the blind? have not I the LORD?

Proverbs 2:6

For the LORD gives wisdom: out of his mouth comes knowledge and understanding.

Luke 12:12

For the Holy Spirit shall teach you in the same hour what you ought to say.

Luke 24:45

Then opened he their understanding, that they might understand the scriptures,

Acts 2:4

And they were all filled with the Holy Spirit, and began to speak with other tongues, as the Spirit gave them utterance.

Acts 4:8-13

Then Peter, filled with the Holy Spirit, said unto them, You rulers of the people, and elders of Israel,

Acts 4:31-33

And when they had prayed, the place was shaken where they were assembled together; and they were all filled with the Holy Spirit, and they spoke the word of God with boldness.

Acts 24:25

And as he reasoned about righteousness, self-control, and judgment to come, Felix trembled, and answered, Go your way for this time; when I have a convenient time, I will call for you.

Acts 26:28

Then Agrippa said unto Paul, Almost you persuade me to be a Christian.

Ephesians 6:19

And for me, that utterance may be given unto me, that I may open my mouth boldly, to make known the mystery of the gospel,

Colossians 4:3-4

Praying also for us, that God would open unto us a door of utterance, to speak the mystery of Christ, for which I am also in bonds:

2 Timothy 4:16-17

At my first defense no man stood with me, but all men forsook me: I pray God that it may not be laid to their charge.

James 1:5

If any of you lacks wisdom, let him ask of God, who gives to all men liberally, and reproaches not; and it shall be given him.

Treasury of Scripture Knowledge

Summary

For I will give you a mouth and wisdom, which all your adversaries shall not be able to gainsay nor resist.

Bible References

Which

Acts 6:10
And they were not able to resist the wisdom and the spirit by which he spoke.
Acts 24:25
And as he reasoned about righteousness, self-control, and judgment to come, Felix trembled, and answered, Go your way for this time; when I have a convenient time, I will call for you.
Acts 26:28
Then Agrippa said unto Paul, Almost you persuade me to be a Christian.
2 Timothy 4:16
At my first defense no man stood with me, but all men forsook me: I pray God that it may not be laid to their charge.

General references

Exodus 4:12
Now therefore go, and I will be with your mouth, and teach you what you shall say.
Luke 12:12
For the Holy Spirit shall teach you in the same hour what you ought to say.
Luke 14:6
And they could not answer him again about these things.
Acts 21:37
And as Paul was to be led into the barracks, he said unto the chief captain, May I speak unto you? Who said, Can you speak Greek?
1 Corinthians 1:27
But God has chosen the foolish things of the world to confound the wise; and God has chosen the weak things of the world to confound the things which are mighty;