Parallel
Ecclesiastes 2:19
Clementine Vulgate · Berean Standard Bible
quem ignoro utrum sapiens an stultus futurus sit, et dominabitur in laboribus meis, quibus desudavi et sollicitus fui : et est quidquam tam vanum ?
And who knows whether that man will be wise or foolish? Yet he will take over all the labor at which I have worked skillfully under the sun. This too is futile.