GOD'S WORD® Translation
Who knows what may be good for mortals while they are alive, during the brief, pointless days they live? Mortals pass by like a shadow. Who will tell them about their future under the sun?

American Standard Version
For who knoweth what is good for man in his life, all the days of his vain life which he spendeth as a shadow? for who can tell a man what shall be after him under the sun?

Berean Study Bible
For who knows what is good for a man during the few days in which he passes through his fleeting life like a shadow? Who can tell a man what will come after him under the sun?

Douay-Rheims Bible
What needeth a man to seek things that are above him, whereas he knoweth not what is profitable for him in his life, in all the days of his pilgrimage, and the time that passeth like a shadow? Or who can tell him what shall be after him under the sun?

English Revised Version
For who knoweth what is good for man in his life, all the days of his vain life which he spendeth as a shadow? for who can tell a man what shall be after him under the sun?

King James Bible
For who knoweth what is good for man in this life, all the days of his vain life which he spendeth as a shadow? for who can tell a man what shall be after him under the sun?

World English Bible
For who knows what is good for man in life, all the days of his vain life which he spends like a shadow? For who can tell a man what will be after him under the sun?

Young's Literal Translation
For who knoweth what is good for a man in life, the number of the days of the life of his vanity, and he maketh them as a shadow? for who declareth to man what is after him under the sun?

Ecclesiastes 6:12 Additional Translations ...