Jem: Come in.
Jace: Where's Brother Zachariah?
Jem: I'm right here. Jace Herondale. And once more a Herondale is the object of my deliverance. I should have anticipated.

Mundane education is regrettably prosaic

Where did you get that?" Jace looked down and saw that the spider demon's poison had eaten a hole in his shirt, leaving a good deal of his left shoulder bare.
"The shirt? At Macy's Winter sale.

It's me," said Jace. "Watching me play Scrabble is enough to make most women swoon. Imagine if I actually put in some effort.

I swear on the Angel." He ducked his head down, kissed her cheek. "The hell with that. I swear on us.

What happens in the demon realms stays in the demon realms,” said Jace.