Matthew 10:19

But when they deliver you up, don't be anxious how or what you will say, for it will be given you in that hour what you will say.

Exodus 4:12

Now therefore go, and I will be with your mouth, and teach you what you shall speak."

Matthew 6:25

Therefore, I tell you, don't be anxious for your life: what you will eat, or what you will drink; nor yet for your body, what you will wear. Isn't life more than food, and the body more than clothing?

Mark 13:11-13

When they lead you away and deliver you up, don't be anxious beforehand, or premeditate what you will say, but say whatever will be given you in that hour. For it is not you who speak, but the Holy Spirit.

Luke 12:11

When they bring you before the synagogues, the rulers, and the authorities, don't be anxious how or what you will answer, or what you will say;

2 Timothy 4:17

But the Lord stood by me, and strengthened me, that through me the message might be fully proclaimed, and that all the Gentiles might hear; and I was delivered out of the mouth of the lion.

Exodus 4:15

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

Jeremiah 1:7

But Yahweh said to me, "Don't say, 'I am a child;' for to whoever I shall send you, you shall go, and whatever I shall command you, you shall speak.

Jeremiah 1:9

Then Yahweh put forth his hand, and touched my mouth; and Yahweh said to me, "Behold, I have put my words in your mouth.

Daniel 3:16-18

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

Matthew 6:31

"Therefore don't be anxious, saying, 'What will we eat?', 'What will we drink?' or, 'With what will we be clothed?'

Matthew 6:34

Therefore don't be anxious for tomorrow, for tomorrow will be anxious for itself. Each day's own evil is sufficient.

Luke 21:12-17

But before all these things, they will lay their hands on you and will persecute you, delivering you up to 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, "You rulers of the people, and elders of Israel,

Acts 5:29-33

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

Acts 6:10

They weren't able to withstand the wisdom and the Spirit by which he spoke.

Acts 26:2-11

"I think myself happy, King Agrippa, that I am to make my defense before you this day concerning all the things that I am accused by the Jews,

Philippians 4:6

In nothing be anxious, but in everything, by prayer and petition 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 liberally 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 lead you away and deliver you up, don't be anxious beforehand, or premeditate what you will say, but say whatever will be given you in that hour. For it is not you who speak, but the Holy Spirit.
Luke 12:11
When they bring you before the synagogues, the rulers, and the authorities, don't be anxious how or what you will answer, or what you will say;
Luke 21:14
Settle it therefore in your hearts not to meditate beforehand how to answer,

It shall

Exodus 4:12
Now therefore go, and I will be with your mouth, and teach you what you shall speak."
Jeremiah 1:7
But Yahweh said to me, "Don't say, 'I am a child;' for to whoever I shall send you, you shall go, and whatever I shall command you, you shall speak.
Daniel 3:16
Shadrach, Meshach, and Abednego answered the king, Nebuchadnezzar, we have no need to answer you in this matter.
Acts 4:8
Then Peter, filled with the Holy Spirit, said to them, "You rulers of the people, and elders of Israel,
Acts 5:29
But Peter and the apostles answered, "We must obey God rather than men.
Acts 6:10
They weren't able to withstand the wisdom and the Spirit by which he spoke.
Acts 26:2
"I think myself happy, King Agrippa, that I am to make my defense before you this day concerning all the things that I am accused by the Jews,
2 Timothy 4:17
But the Lord stood by me, and strengthened me, that through me the message might be fully proclaimed, and that all the Gentiles might hear; and I was delivered out of the mouth of the lion.

General references

Exodus 4:12
Now therefore go, and I will be with your mouth, and teach you what you shall speak."
Luke 12:11
When they bring you before the synagogues, the rulers, and the authorities, don't be anxious how or what you will answer, or what you will say;
Luke 21:14
Settle it therefore in your hearts not to meditate beforehand how to answer,
Acts 21:37
As Paul was about to be brought into the barracks, he asked the commanding officer, "May I speak to you?" He said, "Do you know Greek?