King James Version (KJV) - Ecclesiastes 1:17 >

And I gave my heart to know wisdom, and to know madness and folly: I perceived that this also is vexation of spirit.

Jewish Publication Society of America Version (JPS1917) - Ecclesiastes 1:17 >

And I applied my heart to know wisdom, and to know madness and folly — I perceived that this also was a striving after wind.