But when I considered all the works that my hands had wrought, and all the labours that I had taken therein: Lo, all was vanity and vexation of mind, and nothing of any value under the Sun.

Come unto me all ye that labor, and are laden, and I will ease you.

For we know that every creature groaneth with us also, and travaileth in pain even unto this time.

Man

So I turned me, and considered all the violent wrong that is done under the Sun, and beheld the tears of such as were oppressed; and there was no man to comfort them or that would deliver and defend them from the violence of their oppressors.

yea, and so deep that I might not reach unto her.

The eye

There is one man, no more but himself alone, having neither child nor brother: yet is there no end of his careful travail, his eyes cannot be satisfied with riches. Yet, doth he not remember himself, and say, "For whom do I take such travail? For whose pleasure do I thus consume away my life?" This is also a vain and miserable thing.

He that loveth money, will never be satisfied with money: and whoso delighteth in riches, shall have no profit thereof. Is not this also a vain thing?

My soul is satisfied, even as it were with marrow and fatness, when my mouth praiseth thee with joyful lips.

Like as hell and destruction are never full, even so the eyes of men can never be satisfied.

This generation which is like a horse-leech, hath two daughters; the one is called "fetch hither," and the other "bring hither."

Blessed are they which hunger and thirst for righteousness: for they shall be filled.

They shall hunger no more neither thirst, neither shall the sun light on them, neither any heat.

General references

Many things there be that increase vanity, and what hath a man else?