1:3 What benefit
which
2:11 Yet when I reflected on everything I had accomplished
and on all the effort that I had expended to accomplish it,
I concluded:
like chasing the wind!
There is nothing gained
2:22 What does a man acquire from all his labor
and from the anxiety that accompanies his toil on earth?
2:23 For all day long
and even at night his mind cannot relax!
This also is futile!
5:16 This is another misfortune:
Just as he came, so will he go.
What did he gain from toiling for the wind?
14:23 In all hard work
but merely talking about it