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."
Cross References (ranked by relevance)
I have seen all the works that are done under the sun; and, behold, all is vanity and vexation of spirit.
What profit hath a man of all his labour which he taketh under the sun?
But godliness with contentment is great gain.
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.
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.
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?