Acts 6:10

And they were not able to withstand the wisdom and the spirit with which he was speaking.

Luke 21:15

for I will give you a mouth, and wisdom which all your adversaries shall not be able to withstand or gainsay.

Matthew 10:19-20

And, when they deliver you up, be not anxious how or what ye shall speak; for it shall be given you in that hour what to speak;

Luke 1:17

And he will go before Him in the spirit and power of Elijah, to turn the hearts of the fathers to their children, and the disobedient to walk in the wisdom of the righteous, to make ready for the Lord a people prepared.

Luke 12:11-12

And, when they bring you in before the synagogues, and the rulers, and the authorities, be not anxious how or what ye shall answer, or what ye shall say;

John 7:46

The officers answered, "Never did man speak thus!"

Acts 5:39

but, if it be of God, ye will not be able to overthrow them; lest perhaps ye be found even fighting against God."

Acts 7:51

Ye stiffnecked, and uncircumcised in heart and ears! ye do always resist the Holy Spirit; as your fathers did, so do ye.

1 Corinthians 2:4

And my speech and my preaching were not in persuasive words of wisdom, but in demonstration of the Spirit and of 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 be of God, ye will not be able to overthrow them; lest perhaps ye be found even fighting against God."
Acts 7:51
Ye stiffnecked, and uncircumcised in heart and ears! ye do always resist the Holy Spirit; as your fathers did, so do ye.
Matthew 10:19
And, when they deliver you up, be not anxious how or what ye shall speak; for it shall be given you in that hour what to speak;
Luke 12:11
And, when they bring you in before the synagogues, and the rulers, and the authorities, be not anxious how or what ye shall answer, or what ye shall say;
Luke 21:15
for I will give you a mouth, and wisdom which all your adversaries shall not be able to withstand or gainsay.
John 7:46
The officers answered, "Never did man speak thus!"

General references

Luke 12:12
for the Holy Spirit will teach you in that very hour what ye ought to say."
Luke 14:6
And they were not able to return an answer to these things.
1 Corinthians 1:27
but God chose the foolish things of the world, that He might put to shame the wise; and God chose the weak things of the world, that He might put to shame the things that are strong;