The man knew nothing about the visitor and couldn't possibly know why a younger Ori was in this place. So even though Arthur left the cabinet with a heavy heart and a valuable book, he was still confused about the person he met in this place.
'Can it be a coincidence that a youth looking like Ori came to the house of an otherworldly man?' Arthur pondered as he walked back home, carrying the dreams of a lonely man from Earth.
It was a warning for Arthur, as he might end up like this. This old man was changed by this world, becoming a part of it. However, Arthur couldn't blame him for giving up because the man's words rang deeply within his heart.
'I have but one life.'