“Jace. Is he really a terrible liar?” Now Isabelle did turn her eyes on Clary, and they were large and dark and unexpectedly thoughtful. “He’s not a liar at all. Not about important things. He’ll tell you horrible truths, but he won’t lie.” She paused before she added quietly: “That’s why it’s generally better not to ask him anything unless you know you can stand to hear the answer.”