Mark 13:11

But when they lead you, delivering you up, be not anxious before what ye might speak, nor meditate. But whatever may be given you in that hour, speak ye this, for ye are not who speak, but the Holy Spirit.

Matthew 10:19-21

But when they deliver you up, be not anxious how or what ye should speak, for it will be given you in that hour what ye will speak.

Luke 12:11-12

And when they bring you to the synagogues, and the principle positions, and the offices of authority, be not anxious how or what ye should answer in defense, or what ye should say,

Luke 21:14-15

Settle therefore in your hearts not to premeditate to make defense.

Acts 6:10

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

Exodus 4:10-12

And Moses said to LORD, Oh, LORD, I am not eloquent, neither heretofore, nor since thou have spoken to thy servant, for I am slow of speech, and of a slow tongue.

2 Samuel 23:2

The Spirit of LORD spoke by me, and his word was upon my tongue.

Isaiah 50:4

Lord LORD has given me the tongue of those who are taught, that I may know how to sustain with words him who is weary. He awakens morning by morning. He awakens my ear to hear as those who are taught.

Jeremiah 1:6-9

Then I said, Ah, lord LORD! Behold, I know not how to speak, for I am a child.

Daniel 3:16-18

Shadrach, Meshach, and Abednego answered and said to the king, O Nebuchadnezzar, we have no need to answer thee in this matter.

Matthew 10:17

But beware of men, for they will deliver you up to councils, and they will scourge you in their synagogues,

Mark 13:9

But watch ye yourselves, for they will deliver you up to councils, and ye will be beaten in synagogues. And ye will be stood before rulers and kings because of me, for a testimony to them.

John 3:27

John answered and said, A man can receive nothing unless it is given to him from heaven.

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 3:13

The God of Abraham, and of Isaac, and of Jacob, the God of our fathers, has glorified his Boy Jesus, whom ye actually delivered up and denied him in the presence of Pilate who preferred to release that man.

Acts 4:8-22

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

Acts 4:31

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 6:15

And all who sat in the council, having gazed upon him, saw his face like a face of a heavenly agent.

Acts 7:55

But being full of Holy Spirit, having gazed into heaven, he saw the glory of God, and Jesus standing at the right hand of God.

1 Corinthians 2:13

Which things also we speak, not in things learned from mankind, in words of wisdom, but in things learned from Spirit, comparing spiritual things with spiritual things.

Ephesians 3:5

which in other generations was not made known to the sons of men, as it has now been revealed by Spirit to his holy apostles and prophets.

Ephesians 6:19-20

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,

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.

1 Peter 1:12

To whom it was revealed, that they were serving not themselves, but you, those things that were now reported to you by those who preached good-news to you in Holy Spirit, which was sent forth from heaven, into which things heavenly

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 watch ye yourselves, for they will deliver you up to councils, and ye will be beaten in synagogues. And ye will be stood before rulers and kings because of me, for a testimony to them.
Matthew 10:17
But beware of men, for they will deliver you up to councils, and they will scourge you in their synagogues,
Acts 3:13
The God of Abraham, and of Isaac, and of Jacob, the God of our fathers, has glorified his Boy Jesus, whom ye actually delivered up and denied him in the presence of Pilate who preferred to release that man.

Shall be

Isaiah 50:4
Lord LORD has given me the tongue of those who are taught, that I may know how to sustain with words him who is weary. He awakens morning by morning. He awakens my ear to hear as those who are taught.
John 3:27
John answered and said, A man can receive nothing unless it is given to him from heaven.
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,
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.

But

2 Samuel 23:2
The Spirit of LORD spoke by me, and his word was upon my tongue.
1 Corinthians 2:13
Which things also we speak, not in things learned from mankind, in words of wisdom, but in things learned from Spirit, comparing spiritual things with spiritual things.
Ephesians 3:5
which in other generations was not made known to the sons of men, as it has now been revealed by Spirit to his holy apostles and prophets.
1 Peter 1:12
To whom it was revealed, that they were serving not themselves, but you, those things that were now reported to you by those who preached good-news to you in Holy Spirit, which was sent forth from heaven, into which things heavenly

General references

Exodus 4:12
Now therefore go, and I will be with thy mouth, and teach thee what thou shall speak.
Luke 12:11
And when they bring you to the synagogues, and the principle positions, and the offices of authority, be not anxious how or what ye should answer in defense, or what ye should say,
Luke 21:14
Settle therefore in your hearts not to premeditate to make defense.