Mark 13:11

Whenever they betray you and hand you over for trial, do not be anxious beforehand as to what you shall say, but say whatever is given you at the moment; for it will not be you who speak, but the Holy Spirit.

Matthew 10:19-21

Whenever they betray you, do not be anxious as to how you shall speak or what you shall say, for what you shall say will be given you at the moment;

Luke 12:11-12

Whenever they take you before the Synagogue Courts or the magistrates or other authorities, do not be anxious as to how you will defend yourselves, or what your defense will be, or what you will say;

Luke 21:14-15

Make up your minds, therefore, not to prepare your defense;

Acts 6:10

Yet they were quite unable to withstand the wisdom and the inspiration with which he spoke.

Matthew 10:17

Be on your guard against your fellow men, for they will betray you to courts of law, and scourge you in their Synagogues;

Mark 13:9

See to yourselves! They will betray you to courts of law; and you will be taken to Synagogues and beaten; and you will be brought up before governors and kings for my sake, that you may bear witness before them.

John 3:27

John's answer was--"A man can gain nothing but what is given him from Heaven.

Acts 2:4

And they were all filled with the Holy Spirit, and began to speak with strange 'tongues' as the Spirit prompted their utterances.

Acts 3:13

The God of Abraham, Isaac, and Jacob, the God of our ancestors, has done honor to his Servant Jesus--him whom you gave up and disowned before Pilate, when he had decided to set him free.

Acts 4:8-22

On this, Peter, filled with the Holy Spirit, spoke as follows: "Leaders of the people and Councillors,

Acts 4:31

When their prayer was ended, the place in which they were assembled was shaken; and they were all filled with the Holy Spirit, and began to tell God's Message fearlessly.

Acts 6:15

The eyes of all the members of the Council were riveted upon Stephen, and they saw his face looking like the face of an angel.

Acts 7:55

He, filled as he was with the Holy Spirit, fixed his eyes intently on the heavens, and saw the Glory of God and Jesus standing at God's right hand.

1 Corinthians 2:13

And we speak of these gifts, not in language taught by human philosophy, but in language taught by the Spirit, explaining spiritual things in spiritual words.

Ephesians 3:5

In former generations it was not made known to mankind, as fully as it has now been revealed by the Spirit to the Apostles and Prophets among Christ's People--

Ephesians 6:19-20

And on my behalf also, that, when I begin to speak, words may be given me, so that I may fearlessly make known the inmost truth of the Good News,

James 1:5

If one of you is deficient in wisdom, let him ask wisdom from the God who gives freely to every one without reproaches, and it will be given to him.

1 Peter 1:12

And it was revealed to them that it was not for themselves, but for you, that they were acting as Ministers of the truths which have now been told to you, by those who, with the help of the Holy Spirit sent from Heaven, have brought you the Good News--truths into which even angels long to look.

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
See to yourselves! They will betray you to courts of law; and you will be taken to Synagogues and beaten; and you will be brought up before governors and kings for my sake, that you may bear witness before them.
Matthew 10:17
Be on your guard against your fellow men, for they will betray you to courts of law, and scourge you in their Synagogues;
Acts 3:13
The God of Abraham, Isaac, and Jacob, the God of our ancestors, has done honor to his Servant Jesus--him whom you gave up and disowned before Pilate, when he had decided to set him free.

Shall be

John 3:27
John's answer was--"A man can gain nothing but what is given him from Heaven.
Ephesians 6:19
And on my behalf also, that, when I begin to speak, words may be given me, so that I may fearlessly make known the inmost truth of the Good News,
James 1:5
If one of you is deficient in wisdom, let him ask wisdom from the God who gives freely to every one without reproaches, and it will be given to him.

But

1 Corinthians 2:13
And we speak of these gifts, not in language taught by human philosophy, but in language taught by the Spirit, explaining spiritual things in spiritual words.
Ephesians 3:5
In former generations it was not made known to mankind, as fully as it has now been revealed by the Spirit to the Apostles and Prophets among Christ's People--
1 Peter 1:12
And it was revealed to them that it was not for themselves, but for you, that they were acting as Ministers of the truths which have now been told to you, by those who, with the help of the Holy Spirit sent from Heaven, have brought you the Good News--truths into which even angels long to look.

General references

Luke 12:11
Whenever they take you before the Synagogue Courts or the magistrates or other authorities, do not be anxious as to how you will defend yourselves, or what your defense will be, or what you will say;
Luke 21:14
Make up your minds, therefore, not to prepare your defense;