Cross reference
Proverbs 30:18
18 "There are three things which are too amazing for me, Four which I don't understand:
Job 42:3
3 You asked, 'Who is this who hides counsel without knowledge?' Therefore I have uttered that which I did not understand, Things too wonderful for me, which I didn't know.
Psalms 139:6
6 This knowledge is beyond me. It's lofty. I can't attain it.