Then I looked at all the works that my hands had worked, and at the labor that I had labored to do; and behold, all was vanity and a chasing after wind, and there was no profit under the sun.

A wise man's heart is at his right hand, but a fool's heart at his left.

before the silver cord is severed, or the golden bowl is broken, or the pitcher is broken at the spring, or the wheel broken at the cistern,