I've spent my life — from my youth to my old age — wandering as an ascetic, climbing mountains and hills, entering forests and jungles, and yet I still have yet to see a tiger eat anyone alive. I've heard reports, but I've never seen it with my own eyes. I have yet to see a snake kill anyone, or a fierce spirit possess anyone and cause that person to die. What I have seen is that the people of this world are suffering, not from being eaten by tigers or bitten by snakes or killed by elephants, but from their own greed, anger, and delusion. Whatever may be making them suffer, greed, anger, and delusion are the things that destroy them. This is why the Buddha taught that fools destroy themselves as they would destroy others. They destroy themselves by acting in evil and corrupt ways, as we see all around us. They're born as human beings just like everyone else, but their behavior isn't like that of other human beings.
(Ajahn Khamdee)