Kathryn Kuhlman uses 1 Corinthians 2:6-14, to explain the concept of spiritually induced knowledge. Then she uses 1 Samuel 2:6-7 as an example of Spirit led understanding and interpretation. Along the way she cites 2 Corinthians 5:17. I have listed all the scriptures below:

1Co 2:6-14 "However, we speak wisdom among those who are mature, yet not the wisdom of this age, nor of the rulers of this age, who are coming to nothing. But we speak the wisdom of God in a mystery, the hidden wisdom which God ordained before the ages for our glory, which none of the rulers of this age knew; for had they known, they would not have crucified the Lord of glory. But as it is written: "EYE HAS NOT SEEN, NOR EAR HEARD, NOR HAVE ENTERED INTO THE HEART OF MAN THE THINGS WHICH GOD HAS PREPARED FOR THOSE WHO LOVE HIM." But God has revealed them to us through Hi ...