Jace Herondale: We haven’t had the Cup for years now, and a lot of us die young. So our numbers slowly dwindle.

Clary Fairchild: Aren’t you, uh… Reproducing?

(Jace laughs)

Jace Herondale: Sure. We love reproducing. It’s one of our favorite things.

From the book The Mortal Instruments: City of Bones (Book One) | Written by Cassandra Clare