'Labor' in the Bible

What does man gain from all his labor in which he labors under the sun?

Whatever my eyes desired, I didn't keep from them. I didn't withhold my heart from any joy, for my heart rejoiced because of all my labor, and this was my portion from all my labor.

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.

I hated all my labor in which I labored under the sun, because I must leave it to the man who comes after me.

Who knows whether he will be a wise man or a fool? Yet he will have rule over all of my labor in which I have labored, and in which I have shown myself wise under the sun. This also is vanity.

Therefore I began to cause my heart to despair concerning all the labor in which I had labored under the sun.

For there is a man whose labor is with wisdom, with knowledge, and with skillfulness; yet he shall leave it for his portion to a man who has not labored for it. This also is vanity and a great evil.

For what has a man of all his labor, and of the striving of his heart, in which he labors under the sun?

There is nothing better for a man than that he should eat and drink, and make his soul enjoy good in his labor. This also I saw, that it is from the hand of God.

Also that every man should eat and drink, and enjoy good in all his labor, is the gift of God.

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 is one who is alone, and he has neither son nor brother. There is no end to all of his labor, neither are his eyes satisfied with wealth. "For whom then, do I labor, and deprive my soul of enjoyment?" This also is vanity. Yes, it is a miserable business.

Two are better than one, because they have a good reward for their labor.

As he came forth from his mother's womb, naked shall he go again as he came, and shall take nothing for his labor, which he may carry away in his hand.

Behold, that which I have seen to be good and proper is for one to eat and to drink, and to enjoy good in all his labor, in which he labors under the sun, all the days of his life which God has given him; for this is his portion.

Every man also to whom God has given riches and wealth, and has given him power to eat of it, and to take his portion, and to rejoice in his labor -- this is the gift of God.

All the labor of man is for his mouth, and yet the appetite is not filled.

Then I commended mirth, because a man has no better thing under the sun, than to eat, and to drink, and to be joyful: for that will accompany him in his labor all the days of his life which God has given him under the sun.

Live joyfully with the wife whom you love all the days of your life of vanity, which he has given you under the sun, all your days of vanity: for that is your portion in life, and in your labor in which you labor under the sun.

The labor of fools wearies every one of them; for he doesn't know how to go to the city.