Ecclesiastes 6:12

6:12 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.

Ecclesiastes 7:15

Exceptions to the Law of Retribution

7:15 During the days of my fleeting life I have seen both of these things:

Sometimes a righteous person dies prematurely in spite of his righteousness,

and sometimes a wicked person lives long in spite of his evil deeds.

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.