Luke 21:15

For I will give you a mouth and wisdom that all those who oppose you will not be able to contradict or to resist.

Jeremiah 1:9

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

Acts 6:10

And they were not able to withstand the wisdom and the Spirit by which he spoke.

Exodus 4:11-12

And LORD said to him, Who has made man's mouth? Or who makes [a man] dumb, or deaf, or seeing, or blind? Is it not I, LORD?

Proverbs 2:6

For LORD gives wisdom. Out of his mouth [is] knowledge and understanding.

Luke 12:12

for the Holy Spirit will teach you in the same hour what ye ought to say.

Luke 24:45

Then he opened their mind to understand the scriptures.

Acts 2:4

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

Acts 4:8-13

Then Peter being filled with Holy Spirit, said to them, Rulers of the people, and elders of Israel,

Acts 4:31-33

And when they prayed, the place in which they were assembled was shaken, and they were all filled with Holy Spirit, and they spoke the word of God with boldness.

Acts 24:25

And as he discoursed about righteousness, and self-control, and the judgment going to be, Felix, having become afraid, answered, Go now, and having a convenient time, I will summon thee.

Acts 26:28

And Agrippa said to Paul, By a little thou persuade me to become a Christian.

Ephesians 6:19

and for me, so that utterance may be given to me in boldness in opening my mouth to make known the mystery of the good-news,

Colossians 4:3-4

Praying simultaneously about us also, so that God may open to us a door of the word, to speak the mystery of the Christ, because of which I have also been bound,

2 Timothy 4:16-17

At my first defense no man came with me, but all forsook me. May it not be reckoned to them.

James 1:5

And if any of you lacks wisdom, let him ask from God who gives to all generously and not reproaching, and it will be given to 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 withstand the wisdom and the Spirit by which he spoke.
Acts 24:25
And as he discoursed about righteousness, and self-control, and the judgment going to be, Felix, having become afraid, answered, Go now, and having a convenient time, I will summon thee.
Acts 26:28
And Agrippa said to Paul, By a little thou persuade me to become a Christian.
2 Timothy 4:16
At my first defense no man came with me, but all forsook me. May it not be reckoned to them.

General references

Exodus 4:12
Now therefore go, and I will be with thy mouth, and teach thee what thou shall speak.
Luke 12:12
for the Holy Spirit will teach you in the same hour what ye ought to say.
Luke 14:6
And they could not answer him back to these things.
Acts 21:37
and as Paul was going to be brought into the fort, he says to the chief captain, Is it permitted for me to speak to thee? And he said, Thou know Greek?
1 Corinthians 1:27
But God chose the foolish things of the world, so that he might humiliate the wise, and God chose the weak things of the world, so that he might humiliate the powerful.