King James Version
I applied mine heart to know, and to search, and to seek out wisdom, and the reason of things, and to know the wickedness of folly, even of foolishness and madness:New International Version
So I turned my mind to understand, to investigate and to search out wisdom and the scheme of things and to understand the stupidity of wickedness and the madness of folly.Catholic Public Domain Version
I have examined all things in my soul, so that I may know, and consider, and seek out wisdom and reason, and so that I may recognize the impiety of the foolish, and the error of the imprudent