'All is Vanity' in the Bible

Vanity of vanities, says the preacher, vanity of vanities! All is vanity.

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

Then I looked on all the works that my hands had done, and on the labor that I had labored to do; and, behold, all is vanity and vexation of spirit; and there is no profit under the sun.

Therefore I hated life; because the work that is done under the sun is sad to me; for all is vanity and vexation of spirit.

For that which happens to the sons of men also happens to beasts, even one thing happens to them. As this one dies, so that one dies; yea, they all have one breath; so that a man has no advantage over a beast; for all is vanity.

Vanity of vanities, says the preacher; all is vanity.