For what hath the man for all his toil, and for the striving of his heart, - wherein, he himself, toiled under the sun?

What profit hath he that worketh, in that wherein, himself, hath toiled?

If, blunt, be the iron, and, himself, hath not sharpened, the edge, then, much force, must he apply, - but, an advantage for giving success, is wisdom.