Acts 6:10

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

Luke 21:15

for I will give you such wisdom of utterance as none of your opponents will be able to resist or dispute.

Matthew 10:19-20

But when they give you up, you must have no anxiety about how to speak or what to say, for you will be told at the very moment what you ought to say,

Luke 1:17

He will go before him with the spirit and the power of Elijah, to reconcile fathers to their children, and to bring the disobedient back to the wisdom of upright men, to make a people perfectly ready for the Lord."

Luke 12:11-12

When they bring you before the synagogues or the magistrates or the authorities, you must have no anxiety about how to defend yourselves or what to say,

John 7:46

The attendants answered, "No man ever talked as he does!"

Acts 5:39

but if it is from God, you will not be able to stop it. You may actually find yourselves fighting God!"

Acts 7:51

You stubborn people, with heathen hearts and ears, you are always opposing the holy Spirit, just as your forefathers did!

1 Corinthians 2:4

and my teaching and message were not put in plausible, philosophical language, but they were attended with convincing spiritual 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
but if it is from God, you will not be able to stop it. You may actually find yourselves fighting God!"
Acts 7:51
You stubborn people, with heathen hearts and ears, you are always opposing the holy Spirit, just as your forefathers did!
Matthew 10:19
But when they give you up, you must have no anxiety about how to speak or what to say, for you will be told at the very moment what you ought to say,
Luke 12:11
When they bring you before the synagogues or the magistrates or the authorities, you must have no anxiety about how to defend yourselves or what to say,
Luke 21:15
for I will give you such wisdom of utterance as none of your opponents will be able to resist or dispute.
John 7:46
The attendants answered, "No man ever talked as he does!"

General references

Luke 12:12
for at the very moment the holy Spirit will teach you what you ought to say."
Luke 14:6
And they could make no reply to this.
1 Corinthians 1:27
But it was what the world calls foolish that God chose to put the wise to shame with, and it was what the world calls weak that God chose to shame its strength with,