'Labor' in the Bible

What profit hath man of all his labor wherein he laboreth under the sun?

And whatsoever mine eyes desired I kept not from them; I withheld not 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 on all the works that my hands had wrought, and on the labor that I had labored to do; and, behold, all was vanity and a striving after wind, and there was no profit under the sun.

And I hated all my labor wherein I labored under the sun, seeing that I must leave it unto the man that shall be after me.

And who knoweth whether he will be a wise man or a fool? yet will he have rule over all my labor wherein I have labored, and wherein I have showed myself wise under the sun. This also is vanity.

Therefore I turned about to cause my heart to despair concerning all the labor wherein I had labored under the sun.

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

For what hath a man of all his labor, and of the striving of his heart, wherein he laboreth 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.

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

Then I saw all labor and every skilful work, that for this a man is envied of his neighbor. This also is vanity and a striving after wind.

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

There is one that is alone, and he hath not a second; yea, he hath neither son nor brother; yet is there no end of all his labor, neither are his eyes satisfied with riches. For whom then,'saith he , do I labor, and deprive my soul of good? This also is vanity, yea, it is a sore travail.

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 to be comely is for one to eat and to drink, and to enjoy good in all his labor, wherein he laboreth under the sun, all the days of his life which God hath given him: for this is his portion.

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

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

then I beheld all the work of God, that man cannot find out the work that is done under the sun: because however much a man labor to seek it out, yet he shall not find it; yea moreover, though a wise man think to know it, yet shall he not be able to find it.

Live joyfully with the wife whom thou lovest all the days of thy life of vanity, which he hath given thee under the sun, all thy days of vanity: for that is thy portion in life, and in thy labor wherein thou laborest under the sun.

The labor of fools wearieth every one of them; for he knoweth not how to go to the city.