Matthew 10:19-20

Whenever they betray you, do not be anxious as to how you shall speak or what you shall say, for what you shall say will be given you at the moment;

Luke 12:11-12

Whenever they take you before the Synagogue Courts or the magistrates or other authorities, do not be anxious as to how you will defend yourselves, or what your defense will be, or what you will say;

Luke 21:14-15

Make up your minds, therefore, not to prepare your defense;

2 Corinthians 8:16

I thank God for inspiring Titus with the same keen interest in your welfare that I have;

Philippians 2:13

Remember it is God who, in his kindness, is at work within you, enabling you both to will and to work.

James 1:16-18

Do not be deceived, my dear 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
I thank God for inspiring Titus with the same keen interest in your welfare that I have;
Philippians 2:13
Remember it is God who, in his kindness, is at work within you, enabling you both to will and to work.
James 1:16
Do not be deceived, my dear Brothers.

And

Matthew 10:19
Whenever they betray you, do not be anxious as to how you shall speak or what you shall say, for what you shall say will be given you at the moment;
Luke 12:11
Whenever they take you before the Synagogue Courts or the magistrates or other authorities, do not be anxious as to how you will defend yourselves, or what your defense will be, or what you will say;
Luke 21:14
Make up your minds, therefore, not to prepare your defense;