New Century Version
9 Enjoy life with the wife you love. Enjoy all the useless days of this useless life God has given you here on earth, because it is all you have. So enjoy the work you do here on earth. 10 Whatever work you do, do your best, because you are going to the grave, where there is no working, no planning, no knowledge, and no wisdom.
Time and Chance
11 I also saw something else here on earth:
The fastest runner does not always win the race,
the strongest soldier does not always win the battle,
the wisest does not always have food,
the smartest does not always become wealthy,
and the talented one does not always receive praise.
Time and chance happen to everyone.
New International Version
9 Enjoy life with your wife,(A) whom you love, all the days of this meaningless life that God has given you under the sun—all your meaningless days. For this is your lot(B) in life and in your toilsome labor under the sun. 10 Whatever(C) your hand finds to do, do it with all your might,(D) for in the realm of the dead,(E) where you are going, there is neither working nor planning nor knowledge nor wisdom.(F)
11 I have seen something else under the sun: