Luke 21:15

for I will give to you mouth and wisdom, which all who are opposed to you will not be able to gainsay nor resist.

Acts 6:10

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

Treasury of Scripture Knowledge

Summary

And it came to pass, when David had made an end of speaking these words unto Saul, that Saul said, Is this thy voice, my son David? And Saul lifted up his voice, and wept.

Bible References

Is this

Luke 21:15
for I will give to you mouth and wisdom, which all who are opposed to you will not be able to gainsay nor resist.
Acts 6:10
and they were not able to resist the wisdom and spirit with which he was speaking.