“Alec looked at her and shook his head. "How do you manage never to get mud on your clothes?"
Isabelle shrugged philosophically. "I'm pure at heart. It repels the dirt.”

“Sweet pea?'" Alec said.
"I was just trying it out."
Alec shook his head. "No."
Magnus shrugged. "I'll keep at it.”

“Alec shrugged "Look who's talking. 'Oh, I love her. Oh, she's my sister. Oh why, why, why--"
Jace threw a handful of dead leaves at Alec, making him splutter.
Isabelle was laughing. "You know he's right, Jace.”

“I should have warned her about your habit of never doing what you're told." Jace squinted at her. "Are those Isabelle's clothes? They look ridiculous on you."

"I could point out that you burned my clothes." -Jace and Clary pg. 63”

“I know that look.” Jack shook his head ruefully. “Doan worry; she’ll
give you your balls back as soon as she’s done getting her way.”

“I looked at Micah, who shrugged. I looked at Rafael, who shook his head. Nice that none of us knew why he was undressing.”

“That is one dark house your God lives in, man. Alec shook his head. You can keep your Age of Faith. Whyn’t you find somebody to worship who isn’t a shracking psychopath?”

“They asked him for help rebuilding the farm, but e only shook his head with a pang of longing in his heart.
I'm tracking your killers", he whispered to his uncle.”

“A piece of heaven?" I managed to ask.
He slowly shook his head. "No. The other place. The one I'm going to burn in for thinking what I'm thinking.”

“What's this?" he demanded, looking from Clary to his companions, as if they might know what she was doing there.
"It's a girl," Jace said, recovering his composure. "Surely you've seen girls before, Alec. Your sister Isabelle is one.”