The hearth and the Salamander can also mean happiness and if Montag chose to be happy or not. The two things in his life his home and his work. Did it really make him happy. He chose happiness over this home and his work by reading the books.
Walking away, with your head held high is dignity. Walking away with head held high and a gleam in your eye is called self-esteem. Walking away with your head held high and a gleam in your eye and pride in your stride is called cockiness. Walking away .
"Someday everything will make perfect sense. So for now, laugh at the confusion, smile through the tears, and keep reminding yourself that everything happens for a reason." Even if someday it doesn't make perfect sense, it happened for a reason.