It's a hot day, an unbearably hot day. You decide that the only thing that can cure the heat is something cool. You want something cold. You want ice cream. You spy an ice cream stand and reach into your pocket for your wallet. The corners of your mouth lift at the feel of the cold metal against your hand, only for the smile to suddenly vanish from your face as you look up at the contents of your wallet. There is no money; there is only a light amount of lint and a gift card for a massage. You don't want a massage. You want ice cream. Now you're suffering because you can't afford ice cream. You suffer because you want to be cold, but you can't afford an item that would make you cold. The second noble truth of Buddhism is that all suffering is caused by desire. This truth, as well as the knowledge that the only cure for suffering is the cessation of desire, is demonstrated in Spring, Summer, Autumn, Winter... and in Spring, when the young boy returns as a man to the old monk. The boy's first response when the Monk asks him what makes him suffer is that that was his own sin...