Ecclesiastes 1:14

1:14 I reflected on everything that is accomplished by man on earth,

and I concluded: Everything he has accomplished is futile – like chasing the wind!

Ecclesiastes 6:9

6:9 It is better to be content with what the eyes can see

than for one’s heart always to crave more.

This continual longing is futile – like chasing the wind.

Ecclesiastes 6:11

6:11 The more one argues with words, the less he accomplishes.

How does that benefit him?

Ecclesiastes 7:6

7:6 For like the crackling of quick-burning thorns under a cooking pot,

so is the laughter of the fool.

This kind of folly also is useless.

Ecclesiastes 11:10

11:10 Banish emotional stress from your mind.

and put away pain from your body;

for youth and the prime of life are fleeting.