International Standard Version So I dedicated myself to learn about wisdom and knowledge, and about insanity and foolishness. And I discovered that this is also like chasing after the wind.
American Standard Version And I applied my heart to know wisdom, and to know madness and folly: I perceived that this also was a striving after wind.
Young's Literal Translation And I give my heart to know wisdom, and to know madness and folly: I have known that even this is vexation of spirit;