Knowing everything and allowing evil

[chi pan]

The best case scenario, the guy asks for money in exchange. Then I'd gladly pay him the amount (if I can) and be grateful to him.

If he says that he wants nothing in return, that he is simply being altruistic, then I'd clearly tell him not to expect anything in return. The fact that he is willing to give up the kidney for nothing means it is worth nothing to him.

The same goes for anyone who expects eternal gratitude (for them or their god) and expect me to change my way of life. In that case, I'd rather die than accept their terms.

Scratch that. In that case, I'd accept their terms, take the kidney and later renege upon it. And then learn to live with my guilt of knowing that I made a wrong choice in accepting the terms I knew were irrational. But atleast I wouldn't sacrifice my rationality, like you apparently would (or did), since I wouldn't lose sight of the nature of my actions.

Your rational for that is crap. The fact that this guy is willing to give it for nothing doesn't mean it's worth nothing to him. It means he values your life and wants to be a good samaritan and save your life. Going through surgery is crap and he's willing to go through that for you. He expects nothing in return not because it's not valuable to him, but because puts your life before his kidney. And God gave us salvation to save us from death, all we can do is be happy and live a good life serving him. Not every action is on a weight. Pope John Paul II went to the prison where this guy who tried to assassinate was and told him he forgives him. According to your logic, he was just crazy because there's no way he could forgive someone for trying to kill him for no reason if he was "rational." the fact is he wasn't crazy, just was so in peace with life he had no desire to hold onto anger. People can go out of their way to help someone else without being crazy and someone can accept a gift from a stranger they have done nothing for without feeling guilty.