Tam

“You're my sister," he said finally. "My sister, my blood, my family. I should want to protect you" - he laughed soundlessly and without any humor - "to protect you from the sort of boys who want to do with you exactly what I want to do."
Clary's breath caught. "You said you just wanted to be my brother from now on."
"I lied," he said.”
― Cassandra Clare, City of Glass

“Even in half demon hunter clothes, Clary thought, he looked like the kind of boy who'd come over your house to pick you up for a date and be polite to your parents and nice to your pets.
Jace on the other hand, looked like the kind of boy who'd come over your house and burn it down just for kicks.”
― Cassandra Clare, City of Bones

“Sebastian just smiled. “I could hear your heart beating,” he said softly. “When you were watching me with Valentine. Did it bother you?”
“That you seem to be dating my dad?” Jace shrugged. "You’re a little young for him, to be honest.”
“What?” For the first time since Jace had met him, Sebastian seemed flabbergasted.”
― Cassandra Clare, City of Glass

“Something inside Clary cracked and broke, and words came pouring out. 'What do you want me to tell you? The truth? The truth is that I love Simon like I should love you, and I wish he was my brother and you weren't, but I can't do anything about that and neither can you!”
― Cassandra Clare , City of Ashes