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.
I have seen all the works that are done under the sun; and, behold, all is vanity and vexation of spirit.Ecclesiastes 1:14 KJV
I the Preacher was king over Israel in Jerusalem.Ecclesiastes 1:12 KJV