Zuko, that is wishful thinking. Not every choice is free from consequences. No matter what choice is made here, someone will get hurt. I only want to pick the one that will help the most people while harming the least.

[And then, to Paarthurnax.]

It is not careless if we act with wisdom. We know what went wrong before, so we can learn from the mistakes made before and make wiser choices this time. Is that not the right thing to do?