'...the problem with idolatry is that it is an exercise in futility, a penchant that ends in profound dissatisfaction and unhappiness. Idolatry, we might say doesn't "work" - which is why it creates restless hearts. In idolatry we are enjoying what we're supposed to be using. We are treating as ultimate what is only penultimate; we are heaping infinite, immortal expectations on created things that will pass away; we are settling on some aspect of the creation rather than being referred through to its Creator.'
James KA Smith, On the Road with Saint Augustine, p.82.