NET

12 For no one knows what is best for a person during his life—during the few days of his fleeting life—for they pass away like a shadow. Nor can anyone tell him what the future will hold for him on earth.

Darby

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

KJV

12 For who knoweth what [is] good for man in [this] life, all the days of his vain life^K4425which he spendeth as a shadow? for who can tell a man what shall be after him under the sun?

KJV Bible Notes

all the days of his vain life: Heb. the number of the days of the life of his vanity.

Strong's

12 For who knoweth^H3045 what is good^H2896 for man^H120 in this life^H2416, all^H4557 the days^H3117 of his vain^H1892 life^H2416 which he spendeth^H6213 as a shadow^H6738? for who can tell^H5046 a is^H120 what shall be after^H310 him under the sun^H8121?