The thing about the Mirror is that no one knows where it is. In fact, no one knows what it is.”
"It’s a mirror,” Simon said. “You know – reflective, glass. I’m just assuming.

Is standing by the window muttering about blood something he does all the time?" asked Simon.
"No," Jace said. "Sometimes he sits on the couch and does it.

Interesting" he said. "You know, Simon never mentioned that his roommate was a werewolf.

However, there is something you should have. Something every Shadowhunter should have."
"An obnoxious, arrogant attitude?" Simon said.

Look on the bright side," said Simon. "If they need a human sacrifice, you can always offer me. I'm not sure the rest of you qualify anyway."
Jace brightened. "It's always nice when someone volunteers to be the first up against the wall.

I guess it’s true what they say," observed Jace. "There are no straight men in the trenches."
"That’s atheists, jackass," said Simon furiously. "There are no atheists in the trenches.