New Living Translation
When people live to be very old, let them rejoice in every day of life. But let them also remember there will be many dark days. Everything still to come is meaningless.

American Standard Version
Yea, if a man live many years, let him rejoice in them all; but let him remember the days of darkness, for they shall be many. All that cometh is vanity.

Berean Study Bible
So if a man lives many years, let him rejoice in them all. But let him remember the days of darkness, for they will be many. Everything to come is futile.

Douay-Rheims Bible
If a man live many years, and have rejoiced in them all, he must remember the darksome time, and the many days: which when they shall come, the things past shall be accused of vanity.

English Revised Version
Yea, if a man live many years, let him rejoice in them all; but let him remember the days of darkness, for they shall be many. All that cometh is vanity.

King James Bible
But if a man live many years, and rejoice in them all; yet let him remember the days of darkness; for they shall be many. All that cometh is vanity.

World English Bible
Yes, if a man lives many years, let him rejoice in them all; but let him remember the days of darkness, for they shall be many. All that comes is vanity.

Young's Literal Translation
But, if man liveth many years, In all of them let him rejoice, And remember the days of darkness, For they are many! all that is coming is vanity.

Ecclesiastes 11:8 Additional Translations ...