Mundane education is regrettably prosaic," - Jace Lightwood-Herondale

Is there some particular reason that you're here?" ..."Not this again.""Not what again?" said Clary."Every time I annoy him, he retreats into his No Mundanes Allowed tree house." Simon pointed at Jace.

I can't believe you didn't say you were Simon Lewis," she said. "I thought you were just a mundane."Simon leaned slightly away. "I am just a mundane.

Mundane humans create distinctions between themselves, distinctions that seem ridiculous to any Shadowhunter. Their distinctions are based on race, religion, national identity, any of a dozen minor and irrelevant markers. ~ Valentine