It's like she knows him personally, but does not wish to share her information. Like all characters in destiny have knowledge critical to the story but they just don't seem to inform us and keep us in the shadows to find out for our selfs.
English
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That's kind of the Speaker's point of view: you don't need to know it to fight, so I won't tell you. That's why Osiris was banished. He asked too many of the 'wrong' questions