Luke 21:15

for I will give you a mouth and wisdom which all your adversaries will not be able to withstand or to contradict.

Jeremiah 1:9

Then Yahweh put forth his hand, and touched my mouth; and Yahweh said to me, "Behold, I have put my words in your mouth.

Acts 6:10

They weren't able to withstand the wisdom and the Spirit by which he spoke.

Exodus 4:11-12

Yahweh said to him, "Who made man's mouth? Or who makes one mute, or deaf, or seeing, or blind? Isn't it I, Yahweh?

Proverbs 2:6

For Yahweh gives wisdom. Out of his mouth comes knowledge and understanding.

Luke 12:12

for the Holy Spirit will teach you in that same hour what you must say."

Luke 24:45

Then he opened their minds, that they might understand the Scriptures.

Acts 2:4

They were all filled with the Holy Spirit, and began to speak with other languages, as the Spirit gave them the ability to speak.

Acts 4:8-13

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

Acts 4:31-33

When they had prayed, the place was shaken where they were gathered together. They were all filled with the Holy Spirit, and they spoke the word of God with boldness.

Acts 24:25

As he reasoned about righteousness, self-control, and the judgment to come, Felix was terrified, and answered, "Go your way for this time, and when it is convenient for me, I will summon you."

Acts 26:28

Agrippa said to Paul, "With a little persuasion are you trying to make me a Christian?"

Ephesians 6:19

on my behalf, that utterance may be given to me in opening my mouth, to make known with boldness the mystery of the Good News,

Colossians 4:3-4

praying together for us also, that God may open to us a door for the word, to speak the mystery of Christ, for which I am also in bonds;

2 Timothy 4:16-17

At my first defense, no one came to help me, but all left me. May it not be held against them.

James 1:5

But if any of you lacks wisdom, let him ask of God, who gives to all liberally and without reproach; 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
They weren't able to withstand the wisdom and the Spirit by which he spoke.
Acts 24:25
As he reasoned about righteousness, self-control, and the judgment to come, Felix was terrified, and answered, "Go your way for this time, and when it is convenient for me, I will summon you."
Acts 26:28
Agrippa said to Paul, "With a little persuasion are you trying to make me a Christian?"
2 Timothy 4:16
At my first defense, no one came to help me, but all left me. May it not be held against them.

General references

Exodus 4:12
Now therefore go, and I will be with your mouth, and teach you what you shall speak."
Luke 12:12
for the Holy Spirit will teach you in that same hour what you must say."
Luke 14:6
They couldn't answer him regarding these things.
Acts 21:37
As Paul was about to be brought into the barracks, he asked the commanding officer, "May I speak to you?" He said, "Do you know Greek?
1 Corinthians 1:27
but God chose the foolish things of the world that he might put to shame those who are wise. God chose the weak things of the world, that he might put to shame the things that are strong;