Ecclesiastes 2:11

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.

Ecclesiastes 1:14

I have seen all the works that are done under the sun; and, behold, all is vanity and vexation of spirit.

Ecclesiastes 1:3

What profit hath a man of all his labour which he taketh under the sun?

Genesis 1:31

And God saw every thing that he had made, and, behold, it was very good. And the evening and the morning were the sixth day.

Exodus 39:43

And Moses did look upon all the work, and, behold, they had done it as the LORD had commanded, even so had they done it: and Moses blessed them.

Ecclesiastes 2:17-23

Therefore I hated life; because the work that is wrought under the sun is grievous unto me: for all is vanity and vexation of spirit.

Habakkuk 2:13

Behold, is it not of the LORD of hosts that the people shall labour in the very fire, and the people shall weary themselves for very vanity?

1 Timothy 6:6

But godliness with contentment is great gain.

1 John 2:16-17

For all that is in the world, the lust of the flesh, and the lust of the eyes, and the pride 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 have seen all the works that are done under the sun; and, behold, all is vanity and vexation of spirit.
Genesis 1:31
And God saw every thing that he had made, and, behold, it was very good. And the evening and the morning were the sixth day.
Exodus 39:43
And Moses did look upon all the work, and, behold, they had done it as the LORD had commanded, even so had they done it: and Moses blessed them.
1 John 2:16
For all that is in the world, the lust of the flesh, and the lust of the eyes, and the pride of life, is not of the Father, but is of the world.

Behold

Ecclesiastes 2:17
Therefore I hated life; because the work that is wrought under the sun is grievous unto me: for all is vanity and vexation of spirit.
Ecclesiastes 1:3
What profit hath a man of all his labour which he taketh under the sun?
Habakkuk 2:13
Behold, is it not of the LORD of hosts that the people shall labour in the very fire, and the people shall weary themselves for very vanity?
1 Timothy 6:6
But godliness with contentment is great gain.

General references

Proverbs 14:13
Even in laughter the heart is sorrowful; and the end of that mirth is heaviness.
Ecclesiastes 1:2
Vanity of vanities, saith the Preacher, vanity of vanities; all is vanity.
Ecclesiastes 3:9
What profit hath he that worketh in that wherein he laboureth?

King James Version Public Domain