'Wind' in the Bible

The wind goes toward the south, and turns around to the north. It turns around continually as it goes, and the wind returns again to its courses.

I have seen all the works that are done under the sun; and behold, all is vanity and a chasing after wind.

I applied my heart to know wisdom, and to know madness and folly. I perceived that this also was a chasing after wind.

Then I looked at all the works that my hands had worked, and at the labor that I had labored to do; and behold, all was vanity and a chasing after wind, and there was no profit under the sun.

So I hated life, because the work that is worked under the sun was grievous to me; for all is vanity and a chasing after wind.

For to the man who pleases him, God gives wisdom, knowledge, and joy; but to the sinner he gives travail, to gather and to heap up, that he may give to him who pleases God. This also is vanity and a chasing after wind.

Then I saw all the labor and achievement that is the envy of a man's neighbor. This also is vanity and a striving after wind.

Better is a handful, with quietness, than two handfuls with labor and chasing after wind.

There was no end of all the people, even of all them over whom he was -- yet those who come after shall not rejoice in him. Surely this also is vanity and a chasing after wind.

This also is a grievous evil, that in all points as he came, so shall he go. And what profit does he have who labors for the wind?

Better is the sight of the eyes than the wandering of the desire. This also is vanity and a chasing after wind.

He who observes the wind won't sow; and he who regards the clouds won't reap.

As you don't know what is the way of the wind, nor how the bones grow in the womb of her who is with child; even so you don't know the work of God who does all.