Cross reference
Ecclesiastes 3:9
9 What advantage hath the doer in that which he is labouring at?
Ecclesiastes 1:3
3 What advantage `is' to man by all his labour that he laboureth at under the sun?
Proverbs 14:23
23 In all labour there is advantage, And a thing of the lips `is' only to want.
Ecclesiastes 2:11
11 and I have looked on all my works that my hands have done, and on the labour that I have laboured to do, and lo, the whole `is' vanity and vexation of spirit, and there is no advantage under the sun!
Ecclesiastes 5:16
16 And this also `is' a painful evil, just as he came, so he goeth, and what advantage `is' to him who laboureth for wind?
Matthew 16:26
26 for what is a man profited if he may gain the whole world, but of his life suffer loss? or what shall a man give as an exchange for his life?
Ecclesiastes 2:22-23
22 For what hath been to a man by all his labour, and by the thought of his heart that he laboured at under the sun?
23 For all his days are sorrows, and his travail sadness; even at night his heart hath not lain down; this also `is' vanity.