I have seen all the things that are done under the sun, and have found them all to be futile, a pursuit of the wind.

Ecclesiastes 1:17
So I set my mind to know wisdom and madness and folly; I learned that this, too, is a pursuit of the wind.

Ecclesiastes 2:11
Yet when I considered all the works that my hands had accomplished and what I had toiled to achieve, I found everything to be futile, a pursuit of the wind; there was nothing to be gained under the sun.

Ecclesiastes 2:17
So I hated life, because the work that is done under the sun was grievous to me. For everything is futile and a pursuit of the wind.

Ecclesiastes 2:26
To the man who is pleasing in His sight, He gives wisdom and knowledge and joy, but to the sinner He assigns the task of gathering and accumulating that which he will hand over to one who pleases God. This too is futile and a pursuit of the wind.

Ecclesiastes 4:4
I saw that all labor and success spring from a man's envy of his neighbor. This too is futile and a pursuit of the wind.

Ecclesiastes 4:16
There is no limit to all the people who were before them. Yet the successor will not be celebrated by those who come even later. This too is futile and a pursuit of the wind.

Ecclesiastes 6:9
Better what the eye can see than the wandering of desire. This too is futile and a pursuit of the wind.

Ecclesiastes 8:16
When I applied my mind to know wisdom and to observe the task that one performs on the earth--though his eyes do not see sleep in the day or even in the night--

I have seen all the works that are done under the sun; and, behold, all is vanity and vexation of spirit.