^{13 Ref} I applied my heart to seek and to search out by wisdom concerning all that is done under the sky. It is a heavy burden that God has given to the sons of men to be afflicted with.

^{14 Ref} I have seen all the works that are done under the sun; and, behold, all is vanity and a chasing after wind.

^{15 Ref} That which is crooked can't be made straight; and that which is lacking can't be counted.

^{16 Ref} I said to myself, "Behold, I have obtained for myself great wisdom above all who were before me in Jerusalem. Yes, my heart has had great experience of wisdom and knowledge."

^{17 Ref} I applied my heart to know wisdom, and to know madness and folly. I perceived that this also was a chasing after wind.