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 make you speak with such strength of argument, as all your adversaries shall not be able to contradict or withstand.
Acts 6:10
but as they were not able to withstand the force of that sublime knowledge which appeared in his discourse,