There might not be so much of a difference between the side of Light and the side of Dark as you suppose. After all, without the Dark, there is nothing for the light to burn away.
Cassandra ClareDear Alec and Magnus, I known we're not really close, but Isabelle just came by to drop off a pleated orange velvet tux that she claims I will be wearing to your wedding. Is this true, and if so, why orange? -Simon
Cassandra ClareThough you did eat all the pizza." "I only had five slices," Simon protested, leaning his chair backward so it balanced precariously on its two back legs. "How many slices did you think were in a pizza, dork?" Clary wanted to know. "Less than five slices isn't a meal. It's a snack." Simon looked apprehensively at Luke. "Does this mean you're going to wolf out and eat me?" "Certainly not." Luke rose to toss the pizza box into the trash. "You would be stringy and hard to digest.
Cassandra ClareIt's Simon, he's missing." Ahh." said Magnus delicately "Missing what exactly?" Missing!" Jace repeated "As in gone, absent, notable for his lack of presence, disappeared
Cassandra Clare