Luke 21:15

for I will give you a mouth and wisdom that all your opponents will not be able to resist or contradict.

Jeremiah 1:9

Then Yahweh stretched out his hand and he touched my mouth, and Yahweh said to me, "Look, I have put my words in your mouth.

Acts 6:10

And they were not able to resist the wisdom and the Spirit with which he was speaking.

Exodus 4:11-12

And Yahweh said to him, "Who gave a mouth to humankind, or who makes mute or deaf or sighted or blind? [Is it] not I, Yahweh?

Proverbs 2:6

For Yahweh will give wisdom; from his mouth [come] knowledge and understanding.

Luke 12:12

for the Holy Spirit will teach you in [that] same hour what it is necessary to say."

Luke 24:45

Then he opened their minds to understand the scriptures,

Acts 2:4

And they were all filled with the Holy Spirit and began to speak in other languages as the Spirit gave them [ability] to speak out.

Acts 4:8-13

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

Acts 4:31-33

And [when] they had prayed, the place in which they were gathered was shaken, and they were all filled with the Holy Spirit and began to speak the word of God with boldness.

Acts 24:25

And [while] he was discussing about righteousness and self control and the judgment that is to come, Felix became afraid [and] replied, "Go away for the present, and [when I] have an opportunity, I will summon you."

Acts 26:28

But Agrippa [said] to Paul, "In a short time are you persuading me to become a Christian?"

Ephesians 6:19

and for me, that a word may be given to me at the opening of my mouth, to make known with boldness the mystery of the gospel,

Colossians 4:3-4

praying at the same time for us also, that God may open for us a door of the message, to speak the mystery of Christ, for which also {I am a prisoner},

2 Timothy 4:16-17

At my first defense, no one came to my [aid], but [they] all deserted me; may it not be counted against them.

James 1:5

Now if any of you lacks wisdom, let him ask for [it] from God, who gives to all without reservation 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 resist the wisdom and the Spirit with which he was speaking.
Acts 24:25
And [while] he was discussing about righteousness and self control and the judgment that is to come, Felix became afraid [and] replied, "Go away for the present, and [when I] have an opportunity, I will summon you."
Acts 26:28
But Agrippa [said] to Paul, "In a short time are you persuading me to become a Christian?"
2 Timothy 4:16
At my first defense, no one came to my [aid], but [they] all deserted me; may it not be counted against them.

General references

Exodus 4:12
So then go, and I myself will be with your mouth, and I will teach you what you must speak."
Luke 12:12
for the Holy Spirit will teach you in [that] same hour what it is necessary to say."
Luke 14:6
And they were not able to make a reply to these [things].
Acts 21:37
And [as he] was about to be brought into the barracks, Paul said to the military tribune, "Is it permitted for me to say something to you?" And he said, "Do you know Greek?
1 Corinthians 1:27
But the foolish [things] of the world God chose in order that he might put to shame the wise, and the weak [things] of the world God chose in order that he might put to shame the strong,