Matthew 10:19

But when they have delivered you up, have no anxiety as to how you shall speak or what you shall say; for at that very time it shall be given you what to say;

Matthew 6:25

For this reason I charge you not to be over-anxious about your lives, inquiring what you are to eat or what you are to drink, nor yet about your bodies, inquiring what clothes you are to put on. Is not the life more precious than its food, and the body than its clothing?

Mark 13:11-13

When however they are marching you along under arrest, do not be anxious beforehand about what you are to say, but speak what is given you when the time comes; for it will not be you who speak, but the Holy Spirit.

Luke 12:11

And when they are bringing you before synagogues and magistrates and governors, do not anxiously ponder the manner or matter of your defence, nor what you are to say;

2 Timothy 4:17

The Lord, however, stood by me and filled me with inward strength, that through me the Message might be fully proclaimed and that all the Gentiles might hear it; and I was rescued from the lion's jaws.

Matthew 6:31

Do not be over-anxious, therefore, asking 'What shall we eat?' or 'What shall we drink?' or 'What shall we wear?'

Matthew 6:34

Do not be over-anxious, therefore, about to-morrow, for to-morrow will bring its own cares. Enough for each day are its own troubles.

Luke 21:12-17

"But before all these things happen they will lay hands on you and persecute you. They will deliver you up to synagogues and to prison, and you will be brought before kings and governors for my sake.

Acts 4:8-14

Then Peter was filled with the Holy Spirit, and he replied, "Rulers and Elders of the people,

Acts 5:29-33

Peter and the other Apostles replied, "We must obey God rather than man.

Acts 6:10

They were quite unable, however, to resist the wisdom and the Spirit with which he spoke.

Acts 26:2-11

"As regards all the accusations brought against me by the Jews," he said, "I think myself fortunate, King Agrippa, in being about to defend myself to-day before you,

Philippians 4:6

Do not be over-anxious about anything, but by prayer and earnest pleading, together with thanksgiving, let your request be unreservedly made known in the presence of God.

James 1:5

And if any one of you is deficient in wisdom, let him ask God for it, who gives with open hand to all men, and without upbraiding; and it will be given him.

Treasury of Scripture Knowledge

Summary

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.

General references

Bible References

When

Mark 13:11
When however they are marching you along under arrest, do not be anxious beforehand about what you are to say, but speak what is given you when the time comes; for it will not be you who speak, but the Holy Spirit.
Luke 12:11
And when they are bringing you before synagogues and magistrates and governors, do not anxiously ponder the manner or matter of your defence, nor what you are to say;
Luke 21:14
"Make up your minds, however, not to prepare a defence beforehand,

It shall

Acts 4:8
Then Peter was filled with the Holy Spirit, and he replied, "Rulers and Elders of the people,
Acts 5:29
Peter and the other Apostles replied, "We must obey God rather than man.
Acts 6:10
They were quite unable, however, to resist the wisdom and the Spirit with which he spoke.
Acts 26:2
"As regards all the accusations brought against me by the Jews," he said, "I think myself fortunate, King Agrippa, in being about to defend myself to-day before you,
2 Timothy 4:17
The Lord, however, stood by me and filled me with inward strength, that through me the Message might be fully proclaimed and that all the Gentiles might hear it; and I was rescued from the lion's jaws.

General references

Luke 12:11
And when they are bringing you before synagogues and magistrates and governors, do not anxiously ponder the manner or matter of your defence, nor what you are to say;
Luke 21:14
"Make up your minds, however, not to prepare a defence beforehand,
Acts 21:37
When he was about to be taken into the barracks, Paul said to the Tribune, "May I speak to you?" "Do you know Greek?" the Tribune asked.