“The things that are most precious to us are sometimes the most secret.”

“I know too well how dangerous hope can be, how it grows and sometimes dies, taking its host with it. It's more powerful than anything Dr.Fibs keeps in his labs, more precious than all the secrets inside Sublevel Two.”

“I’m not crazy,” I whispered.“I know.”Believe it or not, that’s the most romantic thing Zachary Goode ever told me.”

“I suppose a lot of teenage girls feel invisible sometimes, like they just disappear. Well, that's me—Cammie the Chameleon. But I'm luckier than most because, at my school, that's considered cool. I go to a school for spies.”

“But the heaviest things, I think, are the secrets. They can drown you if you let them.”

“As Buckingham talked, I couldn't help but remember that there's a reason they call us Gallagher Girls. It's not just because the youngest of us are twelve. It's also because our founder was under twenty. From the very beginning we have been discounted and discredited, underestimated and undervalued. And, for the most part, we wouldn't have it any other way.”

“real strength is not hitting when what you most want to do is kill.”