Luke 21:15

which all your adversaries shall not be able to gainsay or resist.

Acts 6:10

And they were not able to withstand the wisdom and the Spirit by which he spake.

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
which all your adversaries shall not be able to gainsay or resist.
Acts 6:10
And they were not able to withstand the wisdom and the Spirit by which he spake.