Mark 13:11

So when they arrest you and hand you over, don’t worry beforehand what you will say. On the contrary, whatever is given to you in that hour—say it. For it isn’t you speaking, but the Holy Spirit.

Matthew 10:19-21

But when they hand you over, don’t worry about how or what you should speak. For you will be given what to say at that hour,

Luke 12:11-12

Whenever they bring you before synagogues and rulers and authorities, don’t worry about how you should defend yourselves or what you should say.

Luke 21:14-15

Therefore make up your minds not to prepare your defense ahead of time,

Acts 6:10

But they were unable to stand up against his wisdom and the Spirit by whom he was speaking.

Exodus 4:10-12

But Moses replied to the Lord, “Please, Lord, I have never been eloquent—either in the past or recently or since You have been speaking to Your servant—because I am slow and hesitant in speech.”

2 Samuel 23:2

The Spirit of the Lord spoke through me,
His word was on my tongue.

Isaiah 50:4

The Lord God has given Me
the tongue of those who are instructed
to know how to sustain the weary with a word.
He awakens Me each morning;
He awakens My ear to listen like those being instructed.

Jeremiah 1:6-9

But I protested, “Oh no, Lord, God! Look, I don’t know how to speak since I am only a youth.”

Daniel 3:16-18

Shadrach, Meshach, and Abednego replied to the king, “Nebuchadnezzar, we don’t need to give you an answer to this question.

Matthew 10:17

Because people will hand you over to sanhedrins and flog you in their synagogues, beware of them.

Mark 13:9

“But you, be on your guard! They will hand you over to sanhedrins, and you will be flogged in the synagogues. You will stand before governors and kings because of Me, as a witness to them.

John 3:27

John responded, “No one can receive a single thing unless it’s given to him from heaven.

Acts 2:4

Then they were all filled with the Holy Spirit and began to speak in different languages, as the Spirit gave them ability for speech.

Acts 3:13

The God of Abraham, Isaac, and Jacob, the God of our fathers, has glorified His Servant Jesus, whom you handed over and denied in the presence of Pilate, when he had decided to release Him.

Acts 4:8-22

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

Acts 4:31

When they had prayed, the place where they were assembled was shaken, and they were all filled with the Holy Spirit and began to speak God’s message with boldness.

Acts 6:15

And all who were sitting in the Sanhedrin looked intently at him and saw that his face was like the face of an angel.

Acts 7:55

But Stephen, filled by the Holy Spirit, gazed into heaven. He saw God’s glory, with Jesus standing at the right hand of God, and he said,

1 Corinthians 2:13

We also speak these things, not in words taught by human wisdom, but in those taught by the Spirit, explaining spiritual things to spiritual people.

Ephesians 3:5

This was not made known to people in other generations as it is now revealed to His holy apostles and prophets by the Spirit:

Ephesians 6:19-20

Pray also for me, that the message may be given to me when I open my mouth to make known with boldness the mystery of the gospel.

James 1:5

Now if any of you lacks wisdom, he should ask God, who gives to all generously and without criticizing, and it will be given to him.

1 Peter 1:12

It was revealed to them that they were not serving themselves but you. These things have now been announced to you through those who preached the gospel to you by the Holy Spirit sent from heaven. Angels desire to look into these things.

Treasury of Scripture Knowledge

Summary

But when they shall lead you, and deliver you up, take no thought beforehand what ye shall speak, neither do ye premeditate: but whatsoever shall be given you in that hour, that speak ye: for it is not ye that speak, but the Holy Ghost.

General references

Bible References

And deliver

Mark 13:9
“But you, be on your guard! They will hand you over to sanhedrins, and you will be flogged in the synagogues. You will stand before governors and kings because of Me, as a witness to them.
Matthew 10:17
Because people will hand you over to sanhedrins and flog you in their synagogues, beware of them.
Acts 3:13
The God of Abraham, Isaac, and Jacob, the God of our fathers, has glorified His Servant Jesus, whom you handed over and denied in the presence of Pilate, when he had decided to release Him.

Shall be

Isaiah 50:4
The Lord God has given Me
the tongue of those who are instructed
to know how to sustain the weary with a word.
He awakens Me each morning;
He awakens My ear to listen like those being instructed.
John 3:27
John responded, “No one can receive a single thing unless it’s given to him from heaven.
Ephesians 6:19
Pray also for me, that the message may be given to me when I open my mouth to make known with boldness the mystery of the gospel.
James 1:5
Now if any of you lacks wisdom, he should ask God, who gives to all generously and without criticizing, and it will be given to him.

But

2 Samuel 23:2
The Spirit of the Lord spoke through me,
His word was on my tongue.
1 Corinthians 2:13
We also speak these things, not in words taught by human wisdom, but in those taught by the Spirit, explaining spiritual things to spiritual people.
Ephesians 3:5
This was not made known to people in other generations as it is now revealed to His holy apostles and prophets by the Spirit:
1 Peter 1:12
It was revealed to them that they were not serving themselves but you. These things have now been announced to you through those who preached the gospel to you by the Holy Spirit sent from heaven. Angels desire to look into these things.

General references

Exodus 4:12
Now go! I will help you speak and I will teach you what to say.”
Luke 12:11
Whenever they bring you before synagogues and rulers and authorities, don’t worry about how you should defend yourselves or what you should say.
Luke 21:14
Therefore make up your minds not to prepare your defense ahead of time,

Holman Christian Standard Bible®, Copyright © 1999, 2000, 2002, 2003, 2009 by Holman Bible Publishers.