Mark 13:11

But when they shall bring you to deliver you up, do not premeditate beforehand what ye shall speak, neither think ye regarding it, but whatever shall be given you in that hour, that speak ye, for it is not ye that speak, but the Holy Spirit.

Matthew 10:19-21

But when they deliver you up, take no thought how or what ye shall speak, for it shall be given you in that same hour what ye shall speak.

Luke 12:11-12

And when they bring you unto the synagogues and unto magistrates and powers, take ye no thought how or what thing ye shall answer or what ye shall say;

Luke 21:14-15

Settle it therefore in your hearts not to meditate before what ye shall answer;

Acts 6:10

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

Exodus 4:10-12

Then Moses said unto the LORD, O my Lord, I am not eloquent, neither up until now, nor since thou hast spoken unto thy slave; but I am slow of speech and of a slow tongue.

2 Samuel 23:2

(The Spirit of the LORD has spoken by me, and his word has been in my tongue.

Isaiah 50:4

The Lord GOD has given me the tongue of the wise that I should know how to speak a word in season to him that is weary; he wakes up early, early shall he awaken my ear, that I might hear, as the wise.

Jeremiah 1:6-9

Then I said, Ah, Lord GOD! behold, I do not know how to speak: for I am a child.

Daniel 3:16-18

Shadrach, Meshach, and Abednego, answered and said to King Nebuchadnezzar, We are not careful to answer thee in this matter.

Matthew 10:17

But keep yourselves from men, for they will deliver you up in councils, and they will scourge you in their synagogues;

Mark 13:9

But take heed to yourselves, for they shall deliver you up in the councils, and in the synagogues ye shall be beaten; and ye shall be called before rulers and kings for my sake for a testimony unto them.

John 3:27

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

Acts 2:4

And they were all filled with the Holy Spirit and began to speak in other tongues, as the Spirit gave them utterance.

Acts 3:13

The God of Abraham and of Isaac and of Jacob, the God of our fathers, has glorified his Son Jesus, whom ye delivered up and denied him in the presence of Pilate, when he had judged to let him go.

Acts 4:8-22

Then Peter, filled with the Holy Spirit, said unto them, Ye princes of the people and elders of Israel,

Acts 4:31

And when they had prayed, the place was shaken where they were assembled together; and they were all filled with the Holy Spirit, and they spoke the word of God with boldness.

Acts 6:15

Then all that sat in the council, looking steadfastly on him, saw his face as the face of an angel.

Acts 7:55

But he, being full of the Holy Spirit, looked up steadfastly into heaven and saw the glory of God and Jesus standing on the right hand of God

1 Corinthians 2:13

Which things also we speak, not in the words which man's wisdom teaches, but with doctrine of the Holy Spirit, jointly fitting spiritual things by spiritual means.

Ephesians 3:5

which in other generations was not made known unto the sons of men as it is now revealed unto his holy apostles and prophets in the Spirit,

Ephesians 6:19-20

and for me, that utterance may be given unto me, that I may open my mouth with confidence, to make known the mystery of the gospel,

James 1:5

And if any of you lacks wisdom, let them ask of God (who gives abundantly to all, and without reproach), and it shall be given them.

1 Peter 1:12

Unto whom it was revealed that not unto themselves, but unto us they did administer the things, which are now announced unto you by those that have preached the gospel unto you by the Holy Spirit sent down from heaven, which things the angels desire to look into.

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 take heed to yourselves, for they shall deliver you up in the councils, and in the synagogues ye shall be beaten; and ye shall be called before rulers and kings for my sake for a testimony unto them.
Matthew 10:17
But keep yourselves from men, for they will deliver you up in 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 Son Jesus, whom ye delivered up and denied him in the presence of Pilate, when he had judged to let him go.

Shall be

Isaiah 50:4
The Lord GOD has given me the tongue of the wise that I should know how to speak a word in season to him that is weary; he wakes up early, early shall he awaken my ear, that I might hear, as the wise.
John 3:27
John answered and said, A man can receive nothing except it is given him from the heaven.
Ephesians 6:19
and for me, that utterance may be given unto me, that I may open my mouth with confidence, to make known the mystery of the gospel,
James 1:5
And if any of you lacks wisdom, let them ask of God (who gives abundantly to all, and without reproach), and it shall be given them.

But

2 Samuel 23:2
(The Spirit of the LORD has spoken by me, and his word has been in my tongue.
1 Corinthians 2:13
Which things also we speak, not in the words which man's wisdom teaches, but with doctrine of the Holy Spirit, jointly fitting spiritual things by spiritual means.
Ephesians 3:5
which in other generations was not made known unto the sons of men as it is now revealed unto his holy apostles and prophets in the Spirit,
1 Peter 1:12
Unto whom it was revealed that not unto themselves, but unto us they did administer the things, which are now announced unto you by those that have preached the gospel unto you by the Holy Spirit sent down from heaven, which things the angels desire to look into.

General references

Exodus 4:12
Now therefore go and I will be with thy mouth and teach thee what thou shalt say.
Luke 12:11
And when they bring you unto the synagogues and unto magistrates and powers, take ye no thought how or what thing ye shall answer or what ye shall say;
Luke 21:14
Settle it therefore in your hearts not to meditate before what ye shall answer;