Ecclesiastes 2:11

When, I, looked upon all my works, which my hands had made, and on my toil, whereon I had toilsomely wrought, then lo! all, was vanity, and feeding on wind, and there was no profit under the sun.

Ecclesiastes 1:14

I saw all the works which were done under the sun, - and lo! all, was vanity, and a feeding on wind.

Ecclesiastes 1:3

What profit hath Man, in all his toil wherewith he toileth under the sun?

Genesis 1:31

And God saw every thing which he had made, and lo! it was very good. So it was evening - and it was morning, the sixth day.

Exodus 39:43

And Moses looked upon all the structure and lo! they had made it, as Yahweh had commanded, so, had they made it, - and Moses blessed them.

Ecclesiastes 2:17-23

Therefore I hated life, for, a vexation unto me, was the work which was done under the sun, - for, all, was vanity, and a feeding on wind.

Habakkuk 2:13

Lo! is it not from Yahweh of hosts - that peoples labour for fire, and, populations, for emptiness, weary themselves?

1 Timothy 6:6

Now it is a great means of gain - godliness, with a sufficiency of ones own;

1 John 2:16-17

Because, all that is in the world - the coveting of the flesh, the coveting of the eyes, and the vain grandeur of life - is not of the Father, but is, of the world;

Treasury of Scripture Knowledge

Summary

Then I looked on all the works that my hands had wrought, and on the labour that I had laboured to do: and, behold, all was vanity and vexation of spirit, and there was no profit under the sun.

Bible References

I looked

Ecclesiastes 1:14
I saw all the works which were done under the sun, - and lo! all, was vanity, and a feeding on wind.
Genesis 1:31
And God saw every thing which he had made, and lo! it was very good. So it was evening - and it was morning, the sixth day.
Exodus 39:43
And Moses looked upon all the structure and lo! they had made it, as Yahweh had commanded, so, had they made it, - and Moses blessed them.
1 John 2:16
Because, all that is in the world - the coveting of the flesh, the coveting of the eyes, and the vain grandeur of life - is not of the Father, but is, of the world;

Behold

Ecclesiastes 2:17
Therefore I hated life, for, a vexation unto me, was the work which was done under the sun, - for, all, was vanity, and a feeding on wind.
Ecclesiastes 1:3
What profit hath Man, in all his toil wherewith he toileth under the sun?
Habakkuk 2:13
Lo! is it not from Yahweh of hosts - that peoples labour for fire, and, populations, for emptiness, weary themselves?
1 Timothy 6:6
Now it is a great means of gain - godliness, with a sufficiency of ones own;

General references

Proverbs 14:13
Even, in laughter, the heart may be in pain, and, the latter end of gladness, be grief.
Ecclesiastes 1:2
Vanity of vanities! saith the Proclaimer, vanity of vanities! all, is vanity.
Ecclesiastes 3:9
What profit hath he that worketh, in that wherein, himself, hath toiled?