The law is hard but it is the law.

The world is a wheel. When we rise or fall, we do it together.

Demon pox. There's always demon pox.

What do you think it would have been like if Valentine had brought you up along with me? Would you have loved me?" Clary was very glad she had put her cup down, because if she hadn't, she would have dropped it. Sebastian was looking at her not with any shyness or the sort of natural awkwardness that might be attendant on such a bizarre question, but as if she were a curious, foreign life-form. "Well," she said. "You're my brother. I would have loved you. I would have...had to.

Life was an uncertain thing, and there were some moments one wished to remember, to imprint upon one's mind that the memory might be taken out later, like a flower pressed between the pages of a book, and admired and recollected anew. - Sophie and Gideon Lightwood

Being remembered, and remembered so kindly, touched him more than he would have thought possible.

(...)I don't know who I am. I look like Stephen Herondale, and I act like a Lightwood and I talk like my father- like Valentine. So I see myself in your eyes and i try to be that person and I think faith might be enough to make me who you wnat me to be." (Jace, to Clary)