Matthew 10:19

But when they hand you over, do not worry about how or what you are to say; for it will be given you in that hour what you are to say.

Exodus 4:12

Now then go, and I, even I, will be with your mouth, and teach you what you are to say.”

Matthew 6:25

For this reason I say to you, do not be worried about your life, as to what you will eat or what you will drink; nor for your body, as to what you will put on. Is not life more than food, and the body more than clothing?

Mark 13:11-13

When they arrest you and hand you over, do not worry beforehand about what you are to say, but say whatever is given you in that hour; for it is not you who speak, but it is the Holy Spirit.

Luke 12:11

When they bring you before the synagogues and the rulers and the authorities, do not worry about how or what you are to speak in your defense, or what you are to say;

2 Timothy 4:17

But the Lord stood with me and strengthened me, so that through me the proclamation might be fully accomplished, and that all the Gentiles might hear; and I was rescued out of the lion’s mouth.

Exodus 4:15

You are to speak to him and put the words in his mouth; and I, even I, will be with your mouth and his mouth, and I will teach you what you are to do.

Jeremiah 1:7

But the Lord said to me,
“Do not say, ‘I am a youth,’
Because everywhere I send you, you shall go,
And all that I command you, you shall speak.

Jeremiah 1:9

Then the Lord stretched out His hand and touched my mouth, and the Lord said to me,
“Behold, I have put My words in your mouth.

Daniel 3:16-18

Shadrach, Meshach and Abed-nego replied to the king, “O Nebuchadnezzar, we do not need to give you an answer concerning this matter.

Matthew 6:31

Do not worry then, saying, ‘What will we eat?’ or ‘What will we drink?’ or ‘What will we wear for clothing?’

Matthew 6:34

“So do not worry about tomorrow; for tomorrow will care for itself. Each day has enough trouble of its own.

Luke 21:12-17

“But before all these things, they will lay their hands on you and will persecute you, delivering you to the synagogues and prisons, bringing you before kings and governors for My name’s sake.

Acts 4:8-14

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

Acts 5:29-33

But Peter and the apostles answered, “We must obey God rather than men.

Acts 6:10

But they were unable to cope with the wisdom and the Spirit with which he was speaking.

Acts 26:2-11

“In regard to all the things of which I am accused by the Jews, I consider myself fortunate, King Agrippa, that I am about to make my defense before you today;

Philippians 4:6

Be anxious for nothing, but in everything by prayer and supplication with thanksgiving let your requests be made known to God.

James 1:5

But if any of you lacks wisdom, let him ask of God, who gives to all generously and without reproach, and it will be given to 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.

Bible References

When

Mark 13:11
When they arrest you and hand you over, do not worry beforehand about what you are to say, but say whatever is given you in that hour; for it is not you who speak, but it is the Holy Spirit.
Luke 12:11
When they bring you before the synagogues and the rulers and the authorities, do not worry about how or what you are to speak in your defense, or what you are to say;
Luke 21:14
So make up your minds not to prepare beforehand to defend yourselves;

It shall

Exodus 4:12
Now then go, and I, even I, will be with your mouth, and teach you what you are to say.”
Jeremiah 1:7
But the Lord said to me,
“Do not say, ‘I am a youth,’
Because everywhere I send you, you shall go,
And all that I command you, you shall speak.
Daniel 3:16
Shadrach, Meshach and Abed-nego replied to the king, “O Nebuchadnezzar, we do not need to give you an answer concerning this matter.
Acts 4:8
Then Peter, filled with the Holy Spirit, said to them, “Rulers and elders of the people,
Acts 5:29
But Peter and the apostles answered, “We must obey God rather than men.
Acts 6:10
But they were unable to cope with the wisdom and the Spirit with which he was speaking.
Acts 26:2
“In regard to all the things of which I am accused by the Jews, I consider myself fortunate, King Agrippa, that I am about to make my defense before you today;
2 Timothy 4:17
But the Lord stood with me and strengthened me, so that through me the proclamation might be fully accomplished, and that all the Gentiles might hear; and I was rescued out of the lion’s mouth.

General references

Exodus 4:12
Now then go, and I, even I, will be with your mouth, and teach you what you are to say.”
Luke 12:11
When they bring you before the synagogues and the rulers and the authorities, do not worry about how or what you are to speak in your defense, or what you are to say;
Luke 21:14
So make up your minds not to prepare beforehand to defend yourselves;
Acts 21:37
As Paul was about to be brought into the barracks, he said to the commander, “May I say something to you?” And he *said, “Do you know Greek?