He pulled the Carstairs family ring from his finger and held it out to Will. "Take it." Will let his eyes drift down toward it, and then up to Jem's face. A dozen awful things he could say, or do, went through his mind. One did not slough off a persona so quickly, he had found. He had pretended to be cruel for so many years that the pretense was still what he reached for first, as a man might absently turn his carriage toward the home he had lived in for all his life, despite the fact that he had recently moved. "You wish to marry me now?" he said, at last.

It was dark in the alcove, so dark that Jace was only an outline of shadows and gold. His body pinned Clary's to the wall. His hands slid down along her body and reached the end of her dress, drawing it up along her legs. "What are you doing?" She whispered. "Jace?" He looked at her. The peculiar light in the club turned his eyes an array of fractured colors. His smile was wicked. "You can tell me to stop whenever you want," he said. "But you won't.

Magnus, you were trying to flirt with your own plate." "I'm a very open-minded sort of fellow!" "Ragnor is not," Catarina said. "When he found out that you were feeding us guinea pigs, he hit you over the head with your plate. It broke." "So ended our love," Magnus said. "Ah, well. It would have never worked between me and the plate anyway.

A sarcastic blond genie with a bad attitude. -Clary, pg.243-

Stop it," he hissed in her ear. "You'll just make it worse for yourself. It's better if you don't look." "Like you do?" she hissed back. "Shutting your eyes and pretending something's not happening doesn't make it not true, Jace. You ought to know better-

Clary's mother apparently reguarded him as about as sexually threatening as a goldfish.

Its three in the morning,' she noted with dismay. 'Do you think Simon’s all right?' 'I think he‘s weird, actually,' said Jace. 'Though that has little to do with time.