Luke 21:15

for I will give you such wisdom of utterance as none of your opponents will be able to resist or dispute.

Acts 6:10

but they could not meet his wisdom and the inspiration with which he spoke.

Luke 12:12

for at the very moment the holy Spirit will teach you what you ought to say."

Luke 24:45

Then he opened their minds to the understanding of the Scriptures,

Acts 2:4

and they were all filled with the holy Spirit and began to say in foreign languages whatever the Spirit prompted them to utter.

Acts 4:8-13

Then Peter, filled with the holy Spirit, said to them, "Leaders of the people and members of the council,

Acts 4:31-33

When they had prayed, the place where they were meeting shook, and they were all filled with the holy Spirit, and fearlessly uttered God's message.

Acts 24:25

But as he talked of uprightness, self-control, and the coming judgment, Felix became alarmed, and said, "You may go for the present. I will find time later to send for you."

Acts 26:28

"You are in a hurry to persuade me and make a Christian of me!" Agrippa said to Paul.

Ephesians 6:19

and for me, that when I open my lips I may be given a message, so that I may boldly make known the secret of the good news,

Colossians 4:3-4

Pray for me too, that God may give me an opening for the message, and let me tell the secret of Christ on account of which I am kept in prison

2 Timothy 4:16-17

At my first appearance in court no one came to help me; everybody deserted me. May no one lay it up against them!

James 1:5

If any one of you is deficient in wisdom, let him ask God who gives generously to everyone, and does not reproach one with it afterward, and he will give it 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
but they could not meet his wisdom and the inspiration with which he spoke.
Acts 24:25
But as he talked of uprightness, self-control, and the coming judgment, Felix became alarmed, and said, "You may go for the present. I will find time later to send for you."
Acts 26:28
"You are in a hurry to persuade me and make a Christian of me!" Agrippa said to Paul.
2 Timothy 4:16
At my first appearance in court no one came to help me; everybody deserted me. May no one lay it up against them!

General references

Luke 12:12
for at the very moment the holy Spirit will teach you what you ought to say."
Luke 14:6
And they could make no reply to this.
Acts 21:37
Just as they were going to take him into the barracks, Paul said to the colonel, "May I say something to you?" "Do you know Greek?" the colonel asked.
1 Corinthians 1:27
But it was what the world calls foolish that God chose to put the wise to shame with, and it was what the world calls weak that God chose to shame its strength with,