'Pursuit' in the Bible

I have seen all the works that are done under the sun, and behold, all is vanity and pursuit of the wind.

Then I looked on all the works that my hands had wrought, and on the labour that it had cost me to do them; and behold, all was vanity and pursuit of the wind, and there was no profit under the sun.

And I hated life; for the work that is wrought under the sun was grievous unto me; for all is vanity and pursuit of the wind.

For he giveth to a man that is good in his sight wisdom, and knowledge, and joy; but to the sinner he giveth travail to gather and to heap up, that he may give to him that is good in God's sight. This also is vanity and pursuit of the wind.

And I saw all labour, and all success of work, that it is man's jealousy of his neighbour. This also is vanity and pursuit of the wind.

Better is a handful with quietness, than both hands full with labour and pursuit of the wind.

Better is the seeing of the eyes than the wandering of the desire: this also is vanity and pursuit of the wind.