Here are some of my favourites... xD
"Patience grasshopper," zei Maia. "Good things come to those who wait."
"I always thought that it was 'Good things come to those who do the wave'", zei Simon. "No wonder I've been so confused all my life."
Clary - "Look u can datum whoever u want and I will totally support you. I am all about support. Support is my middle name."
Simon- "So that's why u never told me your middle name. I figured it was something embarrasing."
"Is this the part where u start tearing off strips of your overhemd, shirt to bind my wounds?"
"If u wanted me to rip my clothes off, u should have just asked."
--Clary and Jace
"...in fact, don't touch any of my weapons without my permission.'
"Well, there goes my plan for selling them all on ebay," Clary muttered.
"Selling them on what?"
Clary smiled blandly at him, "A mythical place of great magical power."
Jace: Do u remember back at the hotel when u promised that if we lived, you’d get dressed up in a nurse’s outfit and give me a sponge bath?
Clary: It was Simon who promised u the sponge bath.
Simon: As soon as I’m back on my feet, handsome.
Jace: I knew we should have left u a rat.
Here's a link to some more:
link