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.

Come to me, all ye who labour and are burdened, and I will give you rest.

For we know that the whole creation groans together and travails in pain together until now.

Man

And I returned and saw all the oppressions that are done under the sun: and behold, the tears of the oppressed, and they had no comforter; and on the side of their oppressors was power, and they had no comforter.

Whatever hath been, is far off, and exceeding deep: who will find it out?

The eye

There is one alone and without a second; also he hath neither son nor brother: yet is there no end of all his labour, neither is his eye satisfied with riches, and he saith not, For whom then am I labouring, and depriving my soul of good? This also is vanity and a grievous occupation.

He that loveth silver shall not be satisfied with silver, nor he that loveth abundance with increase. This also is vanity.

My soul is satisfied as with marrow and fatness, and my mouth shall praise thee with joyful lips.

Sheol and destruction are insatiable; so the eyes of man are never satisfied.

The leech hath two daughters: Give, give. There are three things never satisfied; four which say not, It is enough:

Blessed they who hunger and thirst after righteousness, for they shall be filled.

They shall not hunger any more, neither shall they thirst any more, nor shall the sun at all fall on them, nor any burning heat;

General references

For there are many things that increase vanity: what is man advantaged?