King James Version (KJV) - Ecclesiastes 1:13 >

And I gave my heart to seek and search out by wisdom concerning all [things] that are done under heaven: this sore travail hath God given to the sons of man to be exercised therewith.

Jewish Publication Society of America Version (JPS1917) - Ecclesiastes 1:13 >

And I applied my heart to seek and to search out by wisdom concerning all things that are done under heaven; it is a sore task that God hath given to the sons of men to be exercised therewith.