" Further, when the mind attains the objects of its desire, however hurtful or empty they may be, error prevents it from perceiving their true nature, or its perceptions are overborne by a diseased appetite, and so it is puffed up with a foolish joy. From these fountains of evil, which spring out of defect rather than superfluity, flows every form of misery that besets a rational nature. "

― Augustine of Hippo , The Complete Works of Saint Augustine: The Confessions, On Grace and Free Will, The City of God, On Christian Doctrine, Expositions on the Book Of Psalms, ... (50 Books With Active Table of Contents)