What profit hath man of all his labor wherein he laboreth under the sun?

What is a man profited by all his work which he does under the sun?

Τις ωφελεια εις τον ανθρωπον εκ παντος του μοχθου αυτου, τον οποιον μοχθει υπο τον ηλιον;

What profit hath a man of all his labour which he taketh under the sun?