Jace & Danny.
"Of course you are," Jace said, unable to keep from rolling his eyes. "You're a Mundane. Blind to the world around you, seeing things the way you want to see them."
He looked out the window, then back at Danny, his golden eyes looking somewhat amused.
"And I can tell you about this stuff all day. But you'll still never really see it, and never be able to kill it, either. Because you're a Mundane."