Ecclesiastes 1:3 in the World English Bible
What does man gain from all his labor in which he labors under the sun?
Context
2 Vanity of vanities, saith the Preacher, vanity of vanities; all is vanity.
3 What profit hath a man of all his labour which he taketh under the sun?
4 One generation passeth away, and another generation cometh: but the earth abideth for ever.