All the rivers flow into the sea,
Yet the sea is not full.
To the place where the rivers flow,
There they flow again.

So then, I have seen the wicked buried, those who used to go in and out from the holy place, and they are soon forgotten in the city where they did thus. This too is futility.

Whatever your hand finds to do, do it with all your might; for there is no activity or planning or knowledge or wisdom in Sheol where you are going.