[After]
[He can see her sincerity. She's serious in her desire to learn, but he also can tell her heart is gentle. Gentle in a way that far too unlike his own. Perhaps he is not the one who can teach her, but it does nothing to at least attempt.]
You mistake my words as implying you should become one who would do such a thing in order to think of what their thoughts or actions might be. Instead you must think like them, get into their minds, think what they may do, and what you must do to stop them.
It is to open one's self up to possibility, to lack of restraint, and imagination. You accept what they are capable of, even if you know you are not capable of it yourself. It is no different than pondering the thoughts of an animal you know you cannot possibly become. Do you believe that when you try to understand the thoughts of a hungry wolf that you become the wolf and know their hunger yourself? It is impossible to ever fully understand others that way, whether human or beast. Yet you cannot forget that a starving wolf is capable of things that you, even starving, would not attempt.