A college professor once said of a particularly poor student, "The trouble with him is that he does not know that he does not know."
That is true ignorance. It is real wisdom to know when we do not know.
- H. Pleune. (moreillustrations.com)
Pro 3:13 (NIV): “Blessed are those who find wisdom, those who gain understanding.”
“There is nothing more foolish than an act of wickedness; there is no wisdom equal to that of obeying God.” - Albert Barnes.