Matthew 10:19

And when they deliver you up, have no care how or what ye should speak: for it shall be given you in that hour what ye shall speak.

Exodus 4:12

And now go, and I will be with thy mouth, and teach thee what thou shalt say.

Matthew 6:25

For this I say to you, Be not anxious about your soul, what ye eat, and what ye drink; nor about your body, what ye put on. Is not the soul more than food, and the body than dress?

Mark 13:11-13

And when delivering up, they bring you, take no care beforehand what ye speak, neither bestow attention: but whatever should be given you in that hour, that speak ye: for not ye are speaking, but the Holy Spirit.

Luke 12:11

And when they bring you to assemblies, and beginnings, and powers, have no anxiety how or what ye allege for justification, or what ye say:

2 Timothy 4:17

But the Lord stood with me, and strengthened me; that by me the promulgation might be rendered perfectly certain, and all the nations might hear: and I was delivered out of the lion's mouth.

Exodus 4:15

And speak to him, and put words in his mouth: and I will be with thy mouth, and with his mouth, and teach you what ye shall do.

Jeremiah 1:7

And Jehovah will say to me, Thou shalt not say, I a boy; for thou shalt go to all to whom I shall send thee, and all which I shall command thee thou shalt speak

Jeremiah 1:9

And Jehovah will stretch forth his hand and touch upon my mouth: and Jehovah will say to me, Behold, I gave my words into thy mouth.

Daniel 3:16-18

Shadrach, Meshach and Abed-Nego answered, and saying to the king, O Nebuchadnezzar, we need not to turn back to thee upon this word.

Matthew 6:31

Therefore be ye not anxious, saying: What shall we eat? or, What shall we drink? or, What shall we put round us?

Matthew 6:34

Therefore should ye not be anxious about the morrow: for the morrow shall be anxious about the things of itself. Sufficient for the day its evil.

Luke 21:12-17

And before all these shall they cast their hands upon you, and drive out, delivering to assemblies, and prisons, being brought before kings and leaders for my name's sake.

Acts 4:8-14

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

Acts 5:29-33

And Peter having answered, and the sent, said, We must obey God rather than men.

Acts 6:10

And they were not able to withstand the wisdom and the spirit by which he spake.

Acts 26:2-11

Concerning all of which I am accused by the Jews, king Agrippa, I deem myself happy, being about to defend myself to thee this day:

Philippians 4:6

Rave anxiety about nothing; but in every thing by prayer and supplication with gratitude let your desires be made known to God.

James 1:5

If any of you is forsaken of wisdom, let him ask of God, giving to all plainly, blaming not; and it shall 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.

Bible References

When

Mark 13:11
And when delivering up, they bring you, take no care beforehand what ye speak, neither bestow attention: but whatever should be given you in that hour, that speak ye: for not ye are speaking, but the Holy Spirit.
Luke 12:11
And when they bring you to assemblies, and beginnings, and powers, have no anxiety how or what ye allege for justification, or what ye say:
Luke 21:14
Set therefore in your hearts, not to practise beforehand to justify yourselves:

It shall

Exodus 4:12
And now go, and I will be with thy mouth, and teach thee what thou shalt say.
Jeremiah 1:7
And Jehovah will say to me, Thou shalt not say, I a boy; for thou shalt go to all to whom I shall send thee, and all which I shall command thee thou shalt speak
Daniel 3:16
Shadrach, Meshach and Abed-Nego answered, and saying to the king, O Nebuchadnezzar, we need not to turn back to thee upon this word.
Acts 4:8
Then Peter, filled with the Holy Spirit, said to them, Rulers of the people, and elders of Israel,
Acts 5:29
And Peter having answered, and the sent, said, We must obey God rather than men.
Acts 6:10
And they were not able to withstand the wisdom and the spirit by which he spake.
Acts 26:2
Concerning all of which I am accused by the Jews, king Agrippa, I deem myself happy, being about to defend myself to thee this day:
2 Timothy 4:17
But the Lord stood with me, and strengthened me; that by me the promulgation might be rendered perfectly certain, and all the nations might hear: and I was delivered out of the lion's mouth.

General references

Exodus 4:12
And now go, and I will be with thy mouth, and teach thee what thou shalt say.
Luke 12:11
And when they bring you to assemblies, and beginnings, and powers, have no anxiety how or what ye allege for justification, or what ye say:
Luke 21:14
Set therefore in your hearts, not to practise beforehand to justify yourselves:
Acts 21:37
And being about to be brought into the camp, Paul says to the captain of a thousand, Is it lawful for me to speak anything to thee? and he said, Hast thou knowledge in Greek?