Acts 6:10

but they could not meet the wisdom and the Spirit with which he spoke.

Luke 21:15

for I will give you words and wisdom that not one of your opponents will be able to meet or refute.

Matthew 10:19-20

Now, when they bring you up for trial, do not trouble yourselves about how to speak or what to say; what you are to say will come to you at the moment,

Luke 1:17

he will go in front of Him with the spirit and power of Elijah to turn the hearts of fathers to their children, turning the disobedient to the wisdom of the just, to make a people ready and prepared for the Lord."

Luke 12:11-12

When they bring you before synagogues and the magistrates and authorities, do not trouble yourselves about how to defend yourselves or what to say,

John 7:46

The attendants replied, "No man ever spoke as he does."

Acts 5:39

whereas, if it really springs from God, you will be unable to put them down. You may even find yourselves fighting God!"

Acts 7:51

Stiff-necked, uncircumcised in heart and ear, you are always resisting the holy Spirit! As with your fathers, so with you!

1 Corinthians 2:4

what I said, what I preached, did not rest on the plausible arguments of 'wisdom' but on the proof supplied by the Spirit and its power,

Treasury of Scripture Knowledge

Summary

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

Bible References

Able

Acts 5:39
whereas, if it really springs from God, you will be unable to put them down. You may even find yourselves fighting God!"
Acts 7:51
Stiff-necked, uncircumcised in heart and ear, you are always resisting the holy Spirit! As with your fathers, so with you!
Matthew 10:19
Now, when they bring you up for trial, do not trouble yourselves about how to speak or what to say; what you are to say will come to you at the moment,
Luke 12:11
When they bring you before synagogues and the magistrates and authorities, do not trouble yourselves about how to defend yourselves or what to say,
Luke 21:15
for I will give you words and wisdom that not one of your opponents will be able to meet or refute.
John 7:46
The attendants replied, "No man ever spoke as he does."

General references

Luke 12:12
for the holy Spirit will teach you at that hour what you should say."
Luke 14:6
This they could not dispute.
1 Corinthians 1:27
No, God has chosen what is foolish in the world to shame the wise; God has chosen what is weak in the world to shame what is strong;