Facilis descensus Averno
Noctes atque dies patet atri ianua Ditis
Sed revocare gradum superasque evadere ad auras
Hoc opus labor est

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

We had and incident. I took care of it."
"Really." Jace's voice dripped sarcasm. "Do you even know how to use that knife, Clarissa? Without poking a hole in yourself or any innocent bystanders?

You look happy," he said to Clary. He swiveled his gaze to Jace. "And a good thing for you that she does."
Jace raised an eyebrow. "Is this the part where you tell me that if I hurt her, you'll kill me?"
"No," said Simon, "If you hurt Clary, she's quite capable of killing you herself. Possibly with a variety of weapons."
Jace looked pleased by the thought.

She closed her eyes and jumped. For a moment she felt herself hang suspended, free of everything. Then gravity took over, and she plunged toward the floor. Instinctively she pulled her arms and legs in, keeping her eyes squeezed shut. The cord pulled taut and she rebounded, flying back up before falling again. As her velocity slowed, she opened her eyes and found herself dangling at the end of the cord, about five feet above Jace. He was grinning.
'Nice', he said. 'As graceful as a falling snowflake.

Jace,” she said. “Why are you doing this to me?”

“Because you’re lying to me. And you’re lying to yourself.” Jace’s eyes were blazing, and even though his hands were stuffed into his pockets, she could see that they were knotted into fists.