Ecclesiastes Chapter 5 Verses 15 and 16

Ecc 5:15 As he had come naked from his mother's womb, so will he return as he came. He will take nothing from the fruit of his labor that he can carry in his hand. Ecc 5:16 And this also is a grievous evil—exactly as a man is born, thus will he die. So, what is the advantage to him who toils for the wind?