American Standard Version (ASV):
I turned about, and my heart [was set] to know and to search out, and to seek wisdom and the reason [of things], and to know that wickedness is folly, and that foolishness is madness.
King James Version (KJV):
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: