You're not so bad. You'll get there. You should have seen Alec do flips at first. I think he kicked himself in the head once.

Jem’s eyes had widened, and then he’d laughed, a soft laugh. “Did you think I did not know you had a secret?” he’d said. “Did you think I walked into my friendship with you with my eyes shut? I did not know the nature of the burden you carried. But I knew there was a burden.” He’d stood up. “I knew you thought yourself poison to all those around you,” he’d added. “I knew you thought there to be some corruptive force about you that would break me. I meant to show you that I would not break, that love was not so fragile. Did I do that?

But Clary never found out what it wasn't, because there was a cry of "Jace!" and Alec appeared, breathless from pushing his way through the crowd to get them. His dark hair was a mess and there was blood on his clothes, but his eyes were bright with a mixture of relief and anger. He grabbed Jace by the front of his jacket. "What happened to you?" Jace looked affronted. "What happened to me?" Alec looked at him, not lightly. "You said you were going for a walk! What kind of walk takes six hours?" "A long one?" Jace suggested.

You can keep it a secret.... But secrets have their own weight, and it can be a very heavy one.

Clary wondered how many boyfriends she'd turned into rats by accident. -Clary to Isabelle, pg.245-

Somebody's girlfriend," she said. "Somebody's sister, somebody's daughter. All these things I never knew I was before, and I still don't really know what I am.

Magnus's eyes went back to Alec. They were gold-green, as unreadable as the eyes of the cat he held on his lap. "Not my favorite topic, Smedley." "Simon", said Simon. "If I'm going to die for you all, the least you could do is remember my name.