Who knows whether the spirit of the sons of man goes upward, and whether the spirit of the beast goes downward, to the earth?
In context
19For the fate of the sons of man and the fate of the beast is one and the same fate: as the one dies, so dies the other; they all have one spirit, and man has no advantage over the beast, for everything is a breath. 20All go to one place. All came from the dust, and all return to the dust. 21Who knows whether the spirit of the sons of man goes upward, and whether the spirit of the beast goes downward, to the earth? 22So I saw that there is nothing better than that a man should take joy in his works, for that is his portion. Who can bring him to see what will come after him?