Ecclesiastes 2:21

2:21 For a man may do his work with wisdom, knowledge, and skill;

however, he must hand over the fruit of his labor as an inheritance

to someone else who did not work for it.

This also is futile, and an awful injustice!

Ecclesiastes 3:22

3:22 So I perceived there is nothing better than for people to enjoy their work,

because that is their reward;

for who can show them what the future holds?

Ecclesiastes 9:6

9:6 What they loved, as well as what they hated and envied, perished long ago,

and they no longer have a part in anything that happens on earth.

Ecclesiastes 11:2

11:2 Divide your merchandise among seven or even eight investments,

for you do not know what calamity may happen on earth.

Ecclesiastes 2:10

2:10 I did not restrain myself from getting whatever I wanted;

I did not deny myself anything that would bring me pleasure.

So all my accomplishments gave me joy;

this was my reward for all my effort.

Ecclesiastes 5:18-19

Enjoy the Fruit of Your Labor

5:18 I have seen personally what is the only beneficial and appropriate course of action for people:

to eat and drink, and find enjoyment in all their hard work on earth

during the few days of their life which God has given them,

for this is their reward.

5:19 To every man whom God has given wealth, and possessions,

he has also given him the ability

to eat from them, to receive his reward and to find enjoyment in his toil;

these things are the gift of God.

Ecclesiastes 9:9

9:9 Enjoy life with your beloved wife during all the days of your fleeting life

that God has given you on earth during all your fleeting days;

for that is your reward in life and in your burdensome work on earth.