We only cease to be the slave of one appetite because another taste has brought it into subordination. A youth may cease to idolize sensual pleasure, but it’s only because the idol of material gain has gotten the ascendancy. There is not one personal transformation in which the heart is left without an object of ultimate beauty and joy. Its desire for one particular object may be conquered, but its desire to have some object is unconquerable. The only way to dispossess the heart of an old affection is by the expulsive power of a new one.