Matthew 10:19-20

"But whenever they apprehend you, do not be anxious about how you shall speak or what you shall say; for it will be given you in that very hour what to say.

Luke 12:11-12

"And when they are bringing you before the synagogues and the rulers and authorities, do not worry about how or what you shall answer; or what you shall say;

Luke 21:14-15

"So settle it in your hearts not to prepare a defense beforehand,

2 Corinthians 8:16

But thanks be to God who has inspired in the heart of Titus the same zeal on your behalf that I have.

Philippians 2:13

for it is God who, in his good-will is ever working in you both will and deed.

James 1:16-18

Do not be deceived, my brothers!

Treasury of Scripture Knowledge

Summary

The preparations of the heart in man, and the answer of the tongue, is from the LORD.

Bible References

Preparations

2 Corinthians 8:16
But thanks be to God who has inspired in the heart of Titus the same zeal on your behalf that I have.
Philippians 2:13
for it is God who, in his good-will is ever working in you both will and deed.
James 1:16
Do not be deceived, my brothers!

And

Matthew 10:19
"But whenever they apprehend you, do not be anxious about how you shall speak or what you shall say; for it will be given you in that very hour what to say.
Luke 12:11
"And when they are bringing you before the synagogues and the rulers and authorities, do not worry about how or what you shall answer; or what you shall say;
Luke 21:14
"So settle it in your hearts not to prepare a defense beforehand,