For instance, the Buddha taught that greed, anger, and misunderstanding are the causes that give rise to suffering. If we ourselves are not yet ac­quainted with greed, anger, and misunderstanding, then there is no way we can believe this. But to believe it would be foolish. When we know ourselves what greed, anger and delusion are like, and that whenever they arise in the mind, they produce suffering like a fire burning us, then we can believe it on the basis of our own experience…